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Finding the Fourth Proportional to 61,456.66, 84,803.70 and 34,598.68

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Solution

The fourth proportional to 61,456.66, 84,803.70 and 34,598.68 is: 47,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.66 : 84,803.70 = 34,598.68 : x
  2. Step 2: Convert to fraction form
    61,456.66/84,803.70 = 34,598.68/x
  3. Step 3: Cross multiply
    61,456.66x = 84,803.70 × 34,598.68
  4. Step 4: Simplify right side
    61,456.66x = 2,934,096,079.12
  5. Step 5: Solve for x
    x = 2,934,096,079.12/61,456.66
  6. Step 6: Final answer
    x = 47,742.52

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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.