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Finding the Fourth Proportional to 52,275.92, 72,140.94 and 29,619.11

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Solution

The fourth proportional to 52,275.92, 72,140.94 and 29,619.11 is: 40,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.92 : 72,140.94 = 29,619.11 : x
  2. Step 2: Convert to fraction form
    52,275.92/72,140.94 = 29,619.11/x
  3. Step 3: Cross multiply
    52,275.92x = 72,140.94 × 29,619.11
  4. Step 4: Simplify right side
    52,275.92x = 2,136,749,928.56
  5. Step 5: Solve for x
    x = 2,136,749,928.56/52,275.92
  6. Step 6: Final answer
    x = 40,874.46

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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.