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Finding the Fourth Proportional to 63,787.32, 88,023.96 and 35,492.40

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Solution

The fourth proportional to 63,787.32, 88,023.96 and 35,492.40 is: 48,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.32 : 88,023.96 = 35,492.40 : x
  2. Step 2: Convert to fraction form
    63,787.32/88,023.96 = 35,492.40/x
  3. Step 3: Cross multiply
    63,787.32x = 88,023.96 × 35,492.40
  4. Step 4: Simplify right side
    63,787.32x = 3,124,181,597.90
  5. Step 5: Solve for x
    x = 3,124,181,597.90/63,787.32
  6. Step 6: Final answer
    x = 48,978.10

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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.