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Finding the Fourth Proportional to 29,332.40, 43,998.60 and 10,871.60

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Solution

The fourth proportional to 29,332.40, 43,998.60 and 10,871.60 is: 16,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.40 : 43,998.60 = 10,871.60 : x
  2. Step 2: Convert to fraction form
    29,332.40/43,998.60 = 10,871.60/x
  3. Step 3: Cross multiply
    29,332.40x = 43,998.60 × 10,871.60
  4. Step 4: Simplify right side
    29,332.40x = 478,335,179.76
  5. Step 5: Solve for x
    x = 478,335,179.76/29,332.40
  6. Step 6: Final answer
    x = 16,307.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.