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Finding the Fourth Proportional to 61,457.66, 84,805.08 and 34,599.68

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Solution

The fourth proportional to 61,457.66, 84,805.08 and 34,599.68 is: 47,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,457.66 : 84,805.08 = 34,599.68 : x
  2. Step 2: Convert to fraction form
    61,457.66/84,805.08 = 34,599.68/x
  3. Step 3: Cross multiply
    61,457.66x = 84,805.08 × 34,599.68
  4. Step 4: Simplify right side
    61,457.66x = 2,934,228,630.37
  5. Step 5: Solve for x
    x = 2,934,228,630.37/61,457.66
  6. Step 6: Final answer
    x = 47,743.90

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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.