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Finding the Fourth Proportional to 13,347.57, 18,398.43 and 10,510.44

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Solution

The fourth proportional to 13,347.57, 18,398.43 and 10,510.44 is: 14,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.57 : 18,398.43 = 10,510.44 : x
  2. Step 2: Convert to fraction form
    13,347.57/18,398.43 = 10,510.44/x
  3. Step 3: Cross multiply
    13,347.57x = 18,398.43 × 10,510.44
  4. Step 4: Simplify right side
    13,347.57x = 193,375,594.61
  5. Step 5: Solve for x
    x = 193,375,594.61/13,347.57
  6. Step 6: Final answer
    x = 14,487.70

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1.5x scale

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.