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Finding the Fourth Proportional to 8,983.32, 12,395.48 and 5,004.32

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Solution

The fourth proportional to 8,983.32, 12,395.48 and 5,004.32 is: 6,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.32 : 12,395.48 = 5,004.32 : x
  2. Step 2: Convert to fraction form
    8,983.32/12,395.48 = 5,004.32/x
  3. Step 3: Cross multiply
    8,983.32x = 12,395.48 × 5,004.32
  4. Step 4: Simplify right side
    8,983.32x = 62,030,948.47
  5. Step 5: Solve for x
    x = 62,030,948.47/8,983.32
  6. Step 6: Final answer
    x = 6,905.13

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Why These Related Problems?

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