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Finding the Fourth Proportional to 62,899.78, 86,803.02 and 34,605.52

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Solution

The fourth proportional to 62,899.78, 86,803.02 and 34,605.52 is: 47,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,899.78 : 86,803.02 = 34,605.52 : x
  2. Step 2: Convert to fraction form
    62,899.78/86,803.02 = 34,605.52/x
  3. Step 3: Cross multiply
    62,899.78x = 86,803.02 × 34,605.52
  4. Step 4: Simplify right side
    62,899.78x = 3,003,863,644.67
  5. Step 5: Solve for x
    x = 3,003,863,644.67/62,899.78
  6. Step 6: Final answer
    x = 47,756.35

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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.