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Finding the Fourth Proportional to 17,508.80, 26,266.80 and 5,830.40

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Solution

The fourth proportional to 17,508.80, 26,266.80 and 5,830.40 is: 8,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.80 : 26,266.80 = 5,830.40 : x
  2. Step 2: Convert to fraction form
    17,508.80/26,266.80 = 5,830.40/x
  3. Step 3: Cross multiply
    17,508.80x = 26,266.80 × 5,830.40
  4. Step 4: Simplify right side
    17,508.80x = 153,145,950.72
  5. Step 5: Solve for x
    x = 153,145,950.72/17,508.80
  6. Step 6: Final answer
    x = 8,746.80

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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.