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Finding the Fourth Proportional to 17,710.40, 26,565.60 and 14,891.60

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Solution

The fourth proportional to 17,710.40, 26,565.60 and 14,891.60 is: 22,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.40 : 26,565.60 = 14,891.60 : x
  2. Step 2: Convert to fraction form
    17,710.40/26,565.60 = 14,891.60/x
  3. Step 3: Cross multiply
    17,710.40x = 26,565.60 × 14,891.60
  4. Step 4: Simplify right side
    17,710.40x = 395,604,288.96
  5. Step 5: Solve for x
    x = 395,604,288.96/17,710.40
  6. Step 6: Final answer
    x = 22,337.40

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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.