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Finding the Fourth Proportional to 52,487.60, 78,742.76 and 16,950.92

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Solution

The fourth proportional to 52,487.60, 78,742.76 and 16,950.92 is: 25,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.60 : 78,742.76 = 16,950.92 : x
  2. Step 2: Convert to fraction form
    52,487.60/78,742.76 = 16,950.92/x
  3. Step 3: Cross multiply
    52,487.60x = 78,742.76 × 16,950.92
  4. Step 4: Simplify right side
    52,487.60x = 1,334,761,746.87
  5. Step 5: Solve for x
    x = 1,334,761,746.87/52,487.60
  6. Step 6: Final answer
    x = 25,430.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.