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Finding the Fourth Proportional to 52,442.98, 72,371.03 and 28,569.60

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Solution

The fourth proportional to 52,442.98, 72,371.03 and 28,569.60 is: 39,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.98 : 72,371.03 = 28,569.60 : x
  2. Step 2: Convert to fraction form
    52,442.98/72,371.03 = 28,569.60/x
  3. Step 3: Cross multiply
    52,442.98x = 72,371.03 × 28,569.60
  4. Step 4: Simplify right side
    52,442.98x = 2,067,611,378.69
  5. Step 5: Solve for x
    x = 2,067,611,378.69/52,442.98
  6. Step 6: Final answer
    x = 39,425.89

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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.