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Finding the Fourth Proportional to 60,800.76, 83,890.24 and 35,645.40

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Solution

The fourth proportional to 60,800.76, 83,890.24 and 35,645.40 is: 49,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,800.76 : 83,890.24 = 35,645.40 : x
  2. Step 2: Convert to fraction form
    60,800.76/83,890.24 = 35,645.40/x
  3. Step 3: Cross multiply
    60,800.76x = 83,890.24 × 35,645.40
  4. Step 4: Simplify right side
    60,800.76x = 2,990,301,160.90
  5. Step 5: Solve for x
    x = 2,990,301,160.90/60,800.76
  6. Step 6: Final answer
    x = 49,181.97

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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.