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Finding the Fourth Proportional to 10,374, 14,316.12 and 6,648

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Solution

The fourth proportional to 10,374, 14,316.12 and 6,648 is: 9,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374 : 14,316.12 = 6,648 : x
  2. Step 2: Convert to fraction form
    10,374/14,316.12 = 6,648/x
  3. Step 3: Cross multiply
    10,374x = 14,316.12 × 6,648
  4. Step 4: Simplify right side
    10,374x = 95,173,565.76
  5. Step 5: Solve for x
    x = 95,173,565.76/10,374
  6. Step 6: Final answer
    x = 9,174.24

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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.