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Finding the Fourth Proportional to 23,278.71, 32,140.98 and 18,179.98

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Solution

The fourth proportional to 23,278.71, 32,140.98 and 18,179.98 is: 25,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.71 : 32,140.98 = 18,179.98 : x
  2. Step 2: Convert to fraction form
    23,278.71/32,140.98 = 18,179.98/x
  3. Step 3: Cross multiply
    23,278.71x = 32,140.98 × 18,179.98
  4. Step 4: Simplify right side
    23,278.71x = 584,322,373.58
  5. Step 5: Solve for x
    x = 584,322,373.58/23,278.71
  6. Step 6: Final answer
    x = 25,101.15

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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.