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Finding the Fourth Proportional to 17,043.80, 25,565.70 and 11,514.20

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Solution

The fourth proportional to 17,043.80, 25,565.70 and 11,514.20 is: 17,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,043.80 : 25,565.70 = 11,514.20 : x
  2. Step 2: Convert to fraction form
    17,043.80/25,565.70 = 11,514.20/x
  3. Step 3: Cross multiply
    17,043.80x = 25,565.70 × 11,514.20
  4. Step 4: Simplify right side
    17,043.80x = 294,368,582.94
  5. Step 5: Solve for x
    x = 294,368,582.94/17,043.80
  6. Step 6: Final answer
    x = 17,271.30

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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.