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Finding the Fourth Proportional to 63,987.16, 88,310.82 and 38,837.08

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Solution

The fourth proportional to 63,987.16, 88,310.82 and 38,837.08 is: 53,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.16 : 88,310.82 = 38,837.08 : x
  2. Step 2: Convert to fraction form
    63,987.16/88,310.82 = 38,837.08/x
  3. Step 3: Cross multiply
    63,987.16x = 88,310.82 × 38,837.08
  4. Step 4: Simplify right side
    63,987.16x = 3,429,734,381.21
  5. Step 5: Solve for x
    x = 3,429,734,381.21/63,987.16
  6. Step 6: Final answer
    x = 53,600.35

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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.