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Finding the Fourth Proportional to 10,693.62, 14,751.62 and 7,156.15

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Solution

The fourth proportional to 10,693.62, 14,751.62 and 7,156.15 is: 9,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.62 : 14,751.62 = 7,156.15 : x
  2. Step 2: Convert to fraction form
    10,693.62/14,751.62 = 7,156.15/x
  3. Step 3: Cross multiply
    10,693.62x = 14,751.62 × 7,156.15
  4. Step 4: Simplify right side
    10,693.62x = 105,564,759.64
  5. Step 5: Solve for x
    x = 105,564,759.64/10,693.62
  6. Step 6: Final answer
    x = 9,871.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.