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Finding the Fourth Proportional to 61,677.83, 85,116.12 and 36,184.63

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Solution

The fourth proportional to 61,677.83, 85,116.12 and 36,184.63 is: 49,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.83 : 85,116.12 = 36,184.63 : x
  2. Step 2: Convert to fraction form
    61,677.83/85,116.12 = 36,184.63/x
  3. Step 3: Cross multiply
    61,677.83x = 85,116.12 × 36,184.63
  4. Step 4: Simplify right side
    61,677.83x = 3,079,895,309.24
  5. Step 5: Solve for x
    x = 3,079,895,309.24/61,677.83
  6. Step 6: Final answer
    x = 49,935.21

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1.5x scale

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.