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Finding the Fourth Proportional to 17,472.78, 26,211.02 and 10,077.08

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Solution

The fourth proportional to 17,472.78, 26,211.02 and 10,077.08 is: 15,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.78 : 26,211.02 = 10,077.08 : x
  2. Step 2: Convert to fraction form
    17,472.78/26,211.02 = 10,077.08/x
  3. Step 3: Cross multiply
    17,472.78x = 26,211.02 × 10,077.08
  4. Step 4: Simplify right side
    17,472.78x = 264,130,363.98
  5. Step 5: Solve for x
    x = 264,130,363.98/17,472.78
  6. Step 6: Final answer
    x = 15,116.68

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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.