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Finding the Fourth Proportional to 63,808.16, 88,058.16 and 35,515.64

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Solution

The fourth proportional to 63,808.16, 88,058.16 and 35,515.64 is: 49,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,808.16 : 88,058.16 = 35,515.64 : x
  2. Step 2: Convert to fraction form
    63,808.16/88,058.16 = 35,515.64/x
  3. Step 3: Cross multiply
    63,808.16x = 88,058.16 × 35,515.64
  4. Step 4: Simplify right side
    63,808.16x = 3,127,441,909.62
  5. Step 5: Solve for x
    x = 3,127,441,909.62/63,808.16
  6. Step 6: Final answer
    x = 49,013.20

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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.