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Finding the Fourth Proportional to 17,483.18, 24,128.28 and 9,931.55

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Solution

The fourth proportional to 17,483.18, 24,128.28 and 9,931.55 is: 13,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,483.18 : 24,128.28 = 9,931.55 : x
  2. Step 2: Convert to fraction form
    17,483.18/24,128.28 = 9,931.55/x
  3. Step 3: Cross multiply
    17,483.18x = 24,128.28 × 9,931.55
  4. Step 4: Simplify right side
    17,483.18x = 239,631,098.59
  5. Step 5: Solve for x
    x = 239,631,098.59/17,483.18
  6. Step 6: Final answer
    x = 13,706.38

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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.