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Finding the Fourth Proportional to 15,661.74, 23,503.09 and 5,801.11

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Solution

The fourth proportional to 15,661.74, 23,503.09 and 5,801.11 is: 8,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.74 : 23,503.09 = 5,801.11 : x
  2. Step 2: Convert to fraction form
    15,661.74/23,503.09 = 5,801.11/x
  3. Step 3: Cross multiply
    15,661.74x = 23,503.09 × 5,801.11
  4. Step 4: Simplify right side
    15,661.74x = 136,344,010.43
  5. Step 5: Solve for x
    x = 136,344,010.43/15,661.74
  6. Step 6: Final answer
    x = 8,705.55

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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.