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Finding the Fourth Proportional to 63,135.65, 87,124.92 and 34,840.73

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Solution

The fourth proportional to 63,135.65, 87,124.92 and 34,840.73 is: 48,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.65 : 87,124.92 = 34,840.73 : x
  2. Step 2: Convert to fraction form
    63,135.65/87,124.92 = 34,840.73/x
  3. Step 3: Cross multiply
    63,135.65x = 87,124.92 × 34,840.73
  4. Step 4: Simplify right side
    63,135.65x = 3,035,495,901.15
  5. Step 5: Solve for x
    x = 3,035,495,901.15/63,135.65
  6. Step 6: Final answer
    x = 48,078.95

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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.