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Finding the Fourth Proportional to 8,963.57, 13,432.63 and 6,605.03

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Solution

The fourth proportional to 8,963.57, 13,432.63 and 6,605.03 is: 9,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.57 : 13,432.63 = 6,605.03 : x
  2. Step 2: Convert to fraction form
    8,963.57/13,432.63 = 6,605.03/x
  3. Step 3: Cross multiply
    8,963.57x = 13,432.63 × 6,605.03
  4. Step 4: Simplify right side
    8,963.57x = 88,722,924.13
  5. Step 5: Solve for x
    x = 88,722,924.13/8,963.57
  6. Step 6: Final answer
    x = 9,898.17

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1.5x scale

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.