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Finding the Fourth Proportional to 61,498.95, 84,857.28 and 34,635.71

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Solution

The fourth proportional to 61,498.95, 84,857.28 and 34,635.71 is: 47,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,498.95 : 84,857.28 = 34,635.71 : x
  2. Step 2: Convert to fraction form
    61,498.95/84,857.28 = 34,635.71/x
  3. Step 3: Cross multiply
    61,498.95x = 84,857.28 × 34,635.71
  4. Step 4: Simplify right side
    61,498.95x = 2,939,091,929.33
  5. Step 5: Solve for x
    x = 2,939,091,929.33/61,498.95
  6. Step 6: Final answer
    x = 47,790.93

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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.