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Finding the Fourth Proportional to 17,595.78, 26,393.67 and 5,917.20

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Solution

The fourth proportional to 17,595.78, 26,393.67 and 5,917.20 is: 8,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,595.78 : 26,393.67 = 5,917.20 : x
  2. Step 2: Convert to fraction form
    17,595.78/26,393.67 = 5,917.20/x
  3. Step 3: Cross multiply
    17,595.78x = 26,393.67 × 5,917.20
  4. Step 4: Simplify right side
    17,595.78x = 156,176,690.25
  5. Step 5: Solve for x
    x = 156,176,690.25/17,595.78
  6. Step 6: Final answer
    x = 8,875.80

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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.