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Finding the Fourth Proportional to 17,775.52, 26,680.02 and 9,016.72

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Solution

The fourth proportional to 17,775.52, 26,680.02 and 9,016.72 is: 13,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.52 : 26,680.02 = 9,016.72 : x
  2. Step 2: Convert to fraction form
    17,775.52/26,680.02 = 9,016.72/x
  3. Step 3: Cross multiply
    17,775.52x = 26,680.02 × 9,016.72
  4. Step 4: Simplify right side
    17,775.52x = 240,566,269.93
  5. Step 5: Solve for x
    x = 240,566,269.93/17,775.52
  6. Step 6: Final answer
    x = 13,533.57

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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.