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Finding the Fourth Proportional to 62,990.64, 94,484.28 and 25,540.68

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Solution

The fourth proportional to 62,990.64, 94,484.28 and 25,540.68 is: 38,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.64 : 94,484.28 = 25,540.68 : x
  2. Step 2: Convert to fraction form
    62,990.64/94,484.28 = 25,540.68/x
  3. Step 3: Cross multiply
    62,990.64x = 94,484.28 × 25,540.68
  4. Step 4: Simplify right side
    62,990.64x = 2,413,192,760.51
  5. Step 5: Solve for x
    x = 2,413,192,760.51/62,990.64
  6. Step 6: Final answer
    x = 38,310.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.