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Finding the Fourth Proportional to 49,648.95, 68,508.79 and 29,498.48

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Solution

The fourth proportional to 49,648.95, 68,508.79 and 29,498.48 is: 40,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648.95 : 68,508.79 = 29,498.48 : x
  2. Step 2: Convert to fraction form
    49,648.95/68,508.79 = 29,498.48/x
  3. Step 3: Cross multiply
    49,648.95x = 68,508.79 × 29,498.48
  4. Step 4: Simplify right side
    49,648.95x = 2,020,905,012.26
  5. Step 5: Solve for x
    x = 2,020,905,012.26/49,648.95
  6. Step 6: Final answer
    x = 40,703.88

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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.