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Finding the Fourth Proportional to 23,493, 32,423.22 and 13,557

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Solution

The fourth proportional to 23,493, 32,423.22 and 13,557 is: 18,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,493 : 32,423.22 = 13,557 : x
  2. Step 2: Convert to fraction form
    23,493/32,423.22 = 13,557/x
  3. Step 3: Cross multiply
    23,493x = 32,423.22 × 13,557
  4. Step 4: Simplify right side
    23,493x = 439,561,593.54
  5. Step 5: Solve for x
    x = 439,561,593.54/23,493
  6. Step 6: Final answer
    x = 18,710.32

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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.