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Finding the Fourth Proportional to 8,830.35, 13,309.02 and 7,612.47

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Solution

The fourth proportional to 8,830.35, 13,309.02 and 7,612.47 is: 11,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.35 : 13,309.02 = 7,612.47 : x
  2. Step 2: Convert to fraction form
    8,830.35/13,309.02 = 7,612.47/x
  3. Step 3: Cross multiply
    8,830.35x = 13,309.02 × 7,612.47
  4. Step 4: Simplify right side
    8,830.35x = 101,314,515.48
  5. Step 5: Solve for x
    x = 101,314,515.48/8,830.35
  6. Step 6: Final answer
    x = 11,473.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.