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Finding the Fourth Proportional to 10,695.42, 14,759.08 and 5,915.08

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Solution

The fourth proportional to 10,695.42, 14,759.08 and 5,915.08 is: 8,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.42 : 14,759.08 = 5,915.08 : x
  2. Step 2: Convert to fraction form
    10,695.42/14,759.08 = 5,915.08/x
  3. Step 3: Cross multiply
    10,695.42x = 14,759.08 × 5,915.08
  4. Step 4: Simplify right side
    10,695.42x = 87,301,138.93
  5. Step 5: Solve for x
    x = 87,301,138.93/10,695.42
  6. Step 6: Final answer
    x = 8,162.48

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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.