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Finding the Fourth Proportional to 28,460.40, 42,593.40 and 24,961.20

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Solution

The fourth proportional to 28,460.40, 42,593.40 and 24,961.20 is: 37,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.40 : 42,593.40 = 24,961.20 : x
  2. Step 2: Convert to fraction form
    28,460.40/42,593.40 = 24,961.20/x
  3. Step 3: Cross multiply
    28,460.40x = 42,593.40 × 24,961.20
  4. Step 4: Simplify right side
    28,460.40x = 1,063,182,376.08
  5. Step 5: Solve for x
    x = 1,063,182,376.08/28,460.40
  6. Step 6: Final answer
    x = 37,356.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.