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Finding the Fourth Proportional to 45,506.71, 68,290.82 and 15,924.80

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Solution

The fourth proportional to 45,506.71, 68,290.82 and 15,924.80 is: 23,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.71 : 68,290.82 = 15,924.80 : x
  2. Step 2: Convert to fraction form
    45,506.71/68,290.82 = 15,924.80/x
  3. Step 3: Cross multiply
    45,506.71x = 68,290.82 × 15,924.80
  4. Step 4: Simplify right side
    45,506.71x = 1,087,517,801.16
  5. Step 5: Solve for x
    x = 1,087,517,801.16/45,506.71
  6. Step 6: Final answer
    x = 23,897.97

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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.