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Finding the Fourth Proportional to 17,685.08, 24,395.98 and 13,429.08

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Solution

The fourth proportional to 17,685.08, 24,395.98 and 13,429.08 is: 18,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.08 : 24,395.98 = 13,429.08 : x
  2. Step 2: Convert to fraction form
    17,685.08/24,395.98 = 13,429.08/x
  3. Step 3: Cross multiply
    17,685.08x = 24,395.98 × 13,429.08
  4. Step 4: Simplify right side
    17,685.08x = 327,615,567.10
  5. Step 5: Solve for x
    x = 327,615,567.10/17,685.08
  6. Step 6: Final answer
    x = 18,524.97

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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.