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Finding the Fourth Proportional to 9,915.08, 14,874.96 and 2,895.32

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Solution

The fourth proportional to 9,915.08, 14,874.96 and 2,895.32 is: 4,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.08 : 14,874.96 = 2,895.32 : x
  2. Step 2: Convert to fraction form
    9,915.08/14,874.96 = 2,895.32/x
  3. Step 3: Cross multiply
    9,915.08x = 14,874.96 × 2,895.32
  4. Step 4: Simplify right side
    9,915.08x = 43,067,769.19
  5. Step 5: Solve for x
    x = 43,067,769.19/9,915.08
  6. Step 6: Final answer
    x = 4,343.66

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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.