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Finding the Fourth Proportional to 10,155.76, 15,248.22 and 9,893.32

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Solution

The fourth proportional to 10,155.76, 15,248.22 and 9,893.32 is: 14,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.76 : 15,248.22 = 9,893.32 : x
  2. Step 2: Convert to fraction form
    10,155.76/15,248.22 = 9,893.32/x
  3. Step 3: Cross multiply
    10,155.76x = 15,248.22 × 9,893.32
  4. Step 4: Simplify right side
    10,155.76x = 150,855,519.89
  5. Step 5: Solve for x
    x = 150,855,519.89/10,155.76
  6. Step 6: Final answer
    x = 14,854.18

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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.