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Finding the Fourth Proportional to 49,549.74, 74,305.98 and 19,957.48

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Solution

The fourth proportional to 49,549.74, 74,305.98 and 19,957.48 is: 29,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,549.74 : 74,305.98 = 19,957.48 : x
  2. Step 2: Convert to fraction form
    49,549.74/74,305.98 = 19,957.48/x
  3. Step 3: Cross multiply
    49,549.74x = 74,305.98 × 19,957.48
  4. Step 4: Simplify right side
    49,549.74x = 1,482,960,109.73
  5. Step 5: Solve for x
    x = 1,482,960,109.73/49,549.74
  6. Step 6: Final answer
    x = 29,928.72

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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.