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Finding the Fourth Proportional to 52,527.79, 72,487.14 and 28,655.30

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Solution

The fourth proportional to 52,527.79, 72,487.14 and 28,655.30 is: 39,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.79 : 72,487.14 = 28,655.30 : x
  2. Step 2: Convert to fraction form
    52,527.79/72,487.14 = 28,655.30/x
  3. Step 3: Cross multiply
    52,527.79x = 72,487.14 × 28,655.30
  4. Step 4: Simplify right side
    52,527.79x = 2,077,140,816.60
  5. Step 5: Solve for x
    x = 2,077,140,816.60/52,527.79
  6. Step 6: Final answer
    x = 39,543.65

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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.