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Finding the Fourth Proportional to 52,449.70, 72,472.65 and 41,926.18

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Solution

The fourth proportional to 52,449.70, 72,472.65 and 41,926.18 is: 57,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.70 : 72,472.65 = 41,926.18 : x
  2. Step 2: Convert to fraction form
    52,449.70/72,472.65 = 41,926.18/x
  3. Step 3: Cross multiply
    52,449.70x = 72,472.65 × 41,926.18
  4. Step 4: Simplify right side
    52,449.70x = 3,038,501,368.98
  5. Step 5: Solve for x
    x = 3,038,501,368.98/52,449.70
  6. Step 6: Final answer
    x = 57,931.72

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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.