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Finding the Fourth Proportional to 17,510.80, 26,269.80 and 5,832.40

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Solution

The fourth proportional to 17,510.80, 26,269.80 and 5,832.40 is: 8,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,510.80 : 26,269.80 = 5,832.40 : x
  2. Step 2: Convert to fraction form
    17,510.80/26,269.80 = 5,832.40/x
  3. Step 3: Cross multiply
    17,510.80x = 26,269.80 × 5,832.40
  4. Step 4: Simplify right side
    17,510.80x = 153,215,981.52
  5. Step 5: Solve for x
    x = 153,215,981.52/17,510.80
  6. Step 6: Final answer
    x = 8,749.80

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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.