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Finding the Fourth Proportional to 19,332.52, 28,990.62 and 6,003.88

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Solution

The fourth proportional to 19,332.52, 28,990.62 and 6,003.88 is: 9,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.52 : 28,990.62 = 6,003.88 : x
  2. Step 2: Convert to fraction form
    19,332.52/28,990.62 = 6,003.88/x
  3. Step 3: Cross multiply
    19,332.52x = 28,990.62 × 6,003.88
  4. Step 4: Simplify right side
    19,332.52x = 174,056,203.61
  5. Step 5: Solve for x
    x = 174,056,203.61/19,332.52
  6. Step 6: Final answer
    x = 9,003.29

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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.