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Finding the Fourth Proportional to 17,393.20, 26,068.20 and 15,535.60

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Solution

The fourth proportional to 17,393.20, 26,068.20 and 15,535.60 is: 23,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.20 : 26,068.20 = 15,535.60 : x
  2. Step 2: Convert to fraction form
    17,393.20/26,068.20 = 15,535.60/x
  3. Step 3: Cross multiply
    17,393.20x = 26,068.20 × 15,535.60
  4. Step 4: Simplify right side
    17,393.20x = 404,985,127.92
  5. Step 5: Solve for x
    x = 404,985,127.92/17,393.20
  6. Step 6: Final answer
    x = 23,284.11

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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.