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Finding the Fourth Proportional to 17,180.08, 25,766.08 and 9,686.86

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Solution

The fourth proportional to 17,180.08, 25,766.08 and 9,686.86 is: 14,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.08 : 25,766.08 = 9,686.86 : x
  2. Step 2: Convert to fraction form
    17,180.08/25,766.08 = 9,686.86/x
  3. Step 3: Cross multiply
    17,180.08x = 25,766.08 × 9,686.86
  4. Step 4: Simplify right side
    17,180.08x = 249,592,321.08
  5. Step 5: Solve for x
    x = 249,592,321.08/17,180.08
  6. Step 6: Final answer
    x = 14,528.01

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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.