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Finding the Fourth Proportional to 14,498.60, 21,747.60 and 4,637.87

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Solution

The fourth proportional to 14,498.60, 21,747.60 and 4,637.87 is: 6,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.60 : 21,747.60 = 4,637.87 : x
  2. Step 2: Convert to fraction form
    14,498.60/21,747.60 = 4,637.87/x
  3. Step 3: Cross multiply
    14,498.60x = 21,747.60 × 4,637.87
  4. Step 4: Simplify right side
    14,498.60x = 100,862,432.87
  5. Step 5: Solve for x
    x = 100,862,432.87/14,498.60
  6. Step 6: Final answer
    x = 6,956.70

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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.