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Finding the Fourth Proportional to 9,988.66, 14,983.11 and 4,793.32

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Solution

The fourth proportional to 9,988.66, 14,983.11 and 4,793.32 is: 7,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.66 : 14,983.11 = 4,793.32 : x
  2. Step 2: Convert to fraction form
    9,988.66/14,983.11 = 4,793.32/x
  3. Step 3: Cross multiply
    9,988.66x = 14,983.11 × 4,793.32
  4. Step 4: Simplify right side
    9,988.66x = 71,818,840.83
  5. Step 5: Solve for x
    x = 71,818,840.83/9,988.66
  6. Step 6: Final answer
    x = 7,190.04

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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.