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Finding the Fourth Proportional to 10,525.44, 14,522.88 and 7,341.12

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Solution

The fourth proportional to 10,525.44, 14,522.88 and 7,341.12 is: 10,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.44 : 14,522.88 = 7,341.12 : x
  2. Step 2: Convert to fraction form
    10,525.44/14,522.88 = 7,341.12/x
  3. Step 3: Cross multiply
    10,525.44x = 14,522.88 × 7,341.12
  4. Step 4: Simplify right side
    10,525.44x = 106,614,204.83
  5. Step 5: Solve for x
    x = 106,614,204.83/10,525.44
  6. Step 6: Final answer
    x = 10,129.19

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Double scale
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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.