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Finding the Fourth Proportional to 57,368.25, 86,045.49 and 15,251.49

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Solution

The fourth proportional to 57,368.25, 86,045.49 and 15,251.49 is: 22,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.25 : 86,045.49 = 15,251.49 : x
  2. Step 2: Convert to fraction form
    57,368.25/86,045.49 = 15,251.49/x
  3. Step 3: Cross multiply
    57,368.25x = 86,045.49 × 15,251.49
  4. Step 4: Simplify right side
    57,368.25x = 1,312,321,930.28
  5. Step 5: Solve for x
    x = 1,312,321,930.28/57,368.25
  6. Step 6: Final answer
    x = 22,875.40

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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.