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Finding the Fourth Proportional to 23,663.87, 32,655.17 and 13,053.50

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Solution

The fourth proportional to 23,663.87, 32,655.17 and 13,053.50 is: 18,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.87 : 32,655.17 = 13,053.50 : x
  2. Step 2: Convert to fraction form
    23,663.87/32,655.17 = 13,053.50/x
  3. Step 3: Cross multiply
    23,663.87x = 32,655.17 × 13,053.50
  4. Step 4: Simplify right side
    23,663.87x = 426,264,033.05
  5. Step 5: Solve for x
    x = 426,264,033.05/23,663.87
  6. Step 6: Final answer
    x = 18,013.29

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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.