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Finding the Fourth Proportional to 60,587.76, 83,624.90 and 39,330.12

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Solution

The fourth proportional to 60,587.76, 83,624.90 and 39,330.12 is: 54,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,587.76 : 83,624.90 = 39,330.12 : x
  2. Step 2: Convert to fraction form
    60,587.76/83,624.90 = 39,330.12/x
  3. Step 3: Cross multiply
    60,587.76x = 83,624.90 × 39,330.12
  4. Step 4: Simplify right side
    60,587.76x = 3,288,977,155.34
  5. Step 5: Solve for x
    x = 3,288,977,155.34/60,587.76
  6. Step 6: Final answer
    x = 54,284.51

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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.