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Finding the Fourth Proportional to 25,344.16, 38,016.80 and 8,704.08

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Solution

The fourth proportional to 25,344.16, 38,016.80 and 8,704.08 is: 13,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.16 : 38,016.80 = 8,704.08 : x
  2. Step 2: Convert to fraction form
    25,344.16/38,016.80 = 8,704.08/x
  3. Step 3: Cross multiply
    25,344.16x = 38,016.80 × 8,704.08
  4. Step 4: Simplify right side
    25,344.16x = 330,901,268.54
  5. Step 5: Solve for x
    x = 330,901,268.54/25,344.16
  6. Step 6: Final answer
    x = 13,056.31

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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.