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Finding the Fourth Proportional to 52,527.82, 72,489.42 and 28,655.38

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Solution

The fourth proportional to 52,527.82, 72,489.42 and 28,655.38 is: 39,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.82 : 72,489.42 = 28,655.38 : x
  2. Step 2: Convert to fraction form
    52,527.82/72,489.42 = 28,655.38/x
  3. Step 3: Cross multiply
    52,527.82x = 72,489.42 × 28,655.38
  4. Step 4: Simplify right side
    52,527.82x = 2,077,211,876.08
  5. Step 5: Solve for x
    x = 2,077,211,876.08/52,527.82
  6. Step 6: Final answer
    x = 39,544.99

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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.