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Finding the Fourth Proportional to 17,642.70, 24,347.01 and 9,685.02

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Solution

The fourth proportional to 17,642.70, 24,347.01 and 9,685.02 is: 13,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.70 : 24,347.01 = 9,685.02 : x
  2. Step 2: Convert to fraction form
    17,642.70/24,347.01 = 9,685.02/x
  3. Step 3: Cross multiply
    17,642.70x = 24,347.01 × 9,685.02
  4. Step 4: Simplify right side
    17,642.70x = 235,801,278.79
  5. Step 5: Solve for x
    x = 235,801,278.79/17,642.70
  6. Step 6: Final answer
    x = 13,365.37

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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.