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Finding the Fourth Proportional to 64,025.64, 88,388.82 and 38,883.24

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Solution

The fourth proportional to 64,025.64, 88,388.82 and 38,883.24 is: 53,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,025.64 : 88,388.82 = 38,883.24 : x
  2. Step 2: Convert to fraction form
    64,025.64/88,388.82 = 38,883.24/x
  3. Step 3: Cross multiply
    64,025.64x = 88,388.82 × 38,883.24
  4. Step 4: Simplify right side
    64,025.64x = 3,436,843,701.38
  5. Step 5: Solve for x
    x = 3,436,843,701.38/64,025.64
  6. Step 6: Final answer
    x = 53,679.18

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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.