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Finding the Fourth Proportional to 63,266.67, 87,307.47 and 34,972.16

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Solution

The fourth proportional to 63,266.67, 87,307.47 and 34,972.16 is: 48,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,266.67 : 87,307.47 = 34,972.16 : x
  2. Step 2: Convert to fraction form
    63,266.67/87,307.47 = 34,972.16/x
  3. Step 3: Cross multiply
    63,266.67x = 87,307.47 × 34,972.16
  4. Step 4: Simplify right side
    63,266.67x = 3,053,330,373.50
  5. Step 5: Solve for x
    x = 3,053,330,373.50/63,266.67
  6. Step 6: Final answer
    x = 48,261.28

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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.