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Finding the Fourth Proportional to 63,478.29, 87,600.93 and 34,800.65

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Solution

The fourth proportional to 63,478.29, 87,600.93 and 34,800.65 is: 48,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.29 : 87,600.93 = 34,800.65 : x
  2. Step 2: Convert to fraction form
    63,478.29/87,600.93 = 34,800.65/x
  3. Step 3: Cross multiply
    63,478.29x = 87,600.93 × 34,800.65
  4. Step 4: Simplify right side
    63,478.29x = 3,048,569,064.60
  5. Step 5: Solve for x
    x = 3,048,569,064.60/63,478.29
  6. Step 6: Final answer
    x = 48,025.38

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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.