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Finding the Fourth Proportional to 49,805.61, 68,739.06 and 32,807.13

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Solution

The fourth proportional to 49,805.61, 68,739.06 and 32,807.13 is: 45,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.61 : 68,739.06 = 32,807.13 : x
  2. Step 2: Convert to fraction form
    49,805.61/68,739.06 = 32,807.13/x
  3. Step 3: Cross multiply
    49,805.61x = 68,739.06 × 32,807.13
  4. Step 4: Simplify right side
    49,805.61x = 2,255,131,277.50
  5. Step 5: Solve for x
    x = 2,255,131,277.50/49,805.61
  6. Step 6: Final answer
    x = 45,278.66

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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.