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Finding the Fourth Proportional to 74,829.60, 112,220.10 and 24,901.20

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Solution

The fourth proportional to 74,829.60, 112,220.10 and 24,901.20 is: 37,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,829.60 : 112,220.10 = 24,901.20 : x
  2. Step 2: Convert to fraction form
    74,829.60/112,220.10 = 24,901.20/x
  3. Step 3: Cross multiply
    74,829.60x = 112,220.10 × 24,901.20
  4. Step 4: Simplify right side
    74,829.60x = 2,794,415,154.12
  5. Step 5: Solve for x
    x = 2,794,415,154.12/74,829.60
  6. Step 6: Final answer
    x = 37,343.71

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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.