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Finding the Fourth Proportional to 63,157.60, 87,155.76 and 34,861.24

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Solution

The fourth proportional to 63,157.60, 87,155.76 and 34,861.24 is: 48,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.60 : 87,155.76 = 34,861.24 : x
  2. Step 2: Convert to fraction form
    63,157.60/87,155.76 = 34,861.24/x
  3. Step 3: Cross multiply
    63,157.60x = 87,155.76 × 34,861.24
  4. Step 4: Simplify right side
    63,157.60x = 3,038,357,866.74
  5. Step 5: Solve for x
    x = 3,038,357,866.74/63,157.60
  6. Step 6: Final answer
    x = 48,107.56

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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.