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Finding the Fourth Proportional to 9,915.66, 14,876.01 and 6,999.66

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Solution

The fourth proportional to 9,915.66, 14,876.01 and 6,999.66 is: 10,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.66 : 14,876.01 = 6,999.66 : x
  2. Step 2: Convert to fraction form
    9,915.66/14,876.01 = 6,999.66/x
  3. Step 3: Cross multiply
    9,915.66x = 14,876.01 × 6,999.66
  4. Step 4: Simplify right side
    9,915.66x = 104,127,012.16
  5. Step 5: Solve for x
    x = 104,127,012.16/9,915.66
  6. Step 6: Final answer
    x = 10,501.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.