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Finding the Fourth Proportional to 63,987.62, 95,981.40 and 34,364.70

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Solution

The fourth proportional to 63,987.62, 95,981.40 and 34,364.70 is: 51,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.62 : 95,981.40 = 34,364.70 : x
  2. Step 2: Convert to fraction form
    63,987.62/95,981.40 = 34,364.70/x
  3. Step 3: Cross multiply
    63,987.62x = 95,981.40 × 34,364.70
  4. Step 4: Simplify right side
    63,987.62x = 3,298,372,016.58
  5. Step 5: Solve for x
    x = 3,298,372,016.58/63,987.62
  6. Step 6: Final answer
    x = 51,547.03

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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.