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Finding the Fourth Proportional to 45,555.52, 62,867.16 and 25,414.16

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Solution

The fourth proportional to 45,555.52, 62,867.16 and 25,414.16 is: 35,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.52 : 62,867.16 = 25,414.16 : x
  2. Step 2: Convert to fraction form
    45,555.52/62,867.16 = 25,414.16/x
  3. Step 3: Cross multiply
    45,555.52x = 62,867.16 × 25,414.16
  4. Step 4: Simplify right side
    45,555.52x = 1,597,716,062.99
  5. Step 5: Solve for x
    x = 1,597,716,062.99/45,555.52
  6. Step 6: Final answer
    x = 35,071.84

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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.