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Finding the Fourth Proportional to 40,548.98, 60,854.79 and 20,844.74

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Solution

The fourth proportional to 40,548.98, 60,854.79 and 20,844.74 is: 31,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,548.98 : 60,854.79 = 20,844.74 : x
  2. Step 2: Convert to fraction form
    40,548.98/60,854.79 = 20,844.74/x
  3. Step 3: Cross multiply
    40,548.98x = 60,854.79 × 20,844.74
  4. Step 4: Simplify right side
    40,548.98x = 1,268,502,275.30
  5. Step 5: Solve for x
    x = 1,268,502,275.30/40,548.98
  6. Step 6: Final answer
    x = 31,283.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.