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Finding the Fourth Proportional to 61,508.16, 84,881.52 and 34,650.99

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Solution

The fourth proportional to 61,508.16, 84,881.52 and 34,650.99 is: 47,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.16 : 84,881.52 = 34,650.99 : x
  2. Step 2: Convert to fraction form
    61,508.16/84,881.52 = 34,650.99/x
  3. Step 3: Cross multiply
    61,508.16x = 84,881.52 × 34,650.99
  4. Step 4: Simplify right side
    61,508.16x = 2,941,228,700.70
  5. Step 5: Solve for x
    x = 2,941,228,700.70/61,508.16
  6. Step 6: Final answer
    x = 47,818.51

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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.