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Finding the Fourth Proportional to 52,242.62, 72,092.76 and 28,368.68

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Solution

The fourth proportional to 52,242.62, 72,092.76 and 28,368.68 is: 39,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.62 : 72,092.76 = 28,368.68 : x
  2. Step 2: Convert to fraction form
    52,242.62/72,092.76 = 28,368.68/x
  3. Step 3: Cross multiply
    52,242.62x = 72,092.76 × 28,368.68
  4. Step 4: Simplify right side
    52,242.62x = 2,045,176,438.76
  5. Step 5: Solve for x
    x = 2,045,176,438.76/52,242.62
  6. Step 6: Final answer
    x = 39,147.66

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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.