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Finding the Fourth Proportional to 37,248.89, 51,402.89 and 20,252.99

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Solution

The fourth proportional to 37,248.89, 51,402.89 and 20,252.99 is: 27,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,248.89 : 51,402.89 = 20,252.99 : x
  2. Step 2: Convert to fraction form
    37,248.89/51,402.89 = 20,252.99/x
  3. Step 3: Cross multiply
    37,248.89x = 51,402.89 × 20,252.99
  4. Step 4: Simplify right side
    37,248.89x = 1,041,062,396.28
  5. Step 5: Solve for x
    x = 1,041,062,396.28/37,248.89
  6. Step 6: Final answer
    x = 27,948.82

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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.