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Finding the Fourth Proportional to 52,471.59, 72,408.67 and 28,597.74

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Solution

The fourth proportional to 52,471.59, 72,408.67 and 28,597.74 is: 39,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.59 : 72,408.67 = 28,597.74 : x
  2. Step 2: Convert to fraction form
    52,471.59/72,408.67 = 28,597.74/x
  3. Step 3: Cross multiply
    52,471.59x = 72,408.67 × 28,597.74
  4. Step 4: Simplify right side
    52,471.59x = 2,070,724,318.41
  5. Step 5: Solve for x
    x = 2,070,724,318.41/52,471.59
  6. Step 6: Final answer
    x = 39,463.72

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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.