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Finding the Fourth Proportional to 17,652.48, 26,479.20 and 5,340.48

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Solution

The fourth proportional to 17,652.48, 26,479.20 and 5,340.48 is: 8,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.48 : 26,479.20 = 5,340.48 : x
  2. Step 2: Convert to fraction form
    17,652.48/26,479.20 = 5,340.48/x
  3. Step 3: Cross multiply
    17,652.48x = 26,479.20 × 5,340.48
  4. Step 4: Simplify right side
    17,652.48x = 141,411,638.02
  5. Step 5: Solve for x
    x = 141,411,638.02/17,652.48
  6. Step 6: Final answer
    x = 8,010.87

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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.