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Finding the Fourth Proportional to 8,748, 13,124.28 and 2,592

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Solution

The fourth proportional to 8,748, 13,124.28 and 2,592 is: 3,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748 : 13,124.28 = 2,592 : x
  2. Step 2: Convert to fraction form
    8,748/13,124.28 = 2,592/x
  3. Step 3: Cross multiply
    8,748x = 13,124.28 × 2,592
  4. Step 4: Simplify right side
    8,748x = 34,018,133.76
  5. Step 5: Solve for x
    x = 34,018,133.76/8,748
  6. Step 6: Final answer
    x = 3,888.68

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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.