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Finding the Fourth Proportional to 9,612.58, 13,265.85 and 7,250.62

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Solution

The fourth proportional to 9,612.58, 13,265.85 and 7,250.62 is: 10,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.58 : 13,265.85 = 7,250.62 : x
  2. Step 2: Convert to fraction form
    9,612.58/13,265.85 = 7,250.62/x
  3. Step 3: Cross multiply
    9,612.58x = 13,265.85 × 7,250.62
  4. Step 4: Simplify right side
    9,612.58x = 96,185,637.33
  5. Step 5: Solve for x
    x = 96,185,637.33/9,612.58
  6. Step 6: Final answer
    x = 10,006.22

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Half scale
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Double scale
Find fourth proportional to 9,613.58, 13,267.23 and 7,251.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.