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Finding the Fourth Proportional to 17,812.31, 26,697.47 and 7,275.83

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Solution

The fourth proportional to 17,812.31, 26,697.47 and 7,275.83 is: 10,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.31 : 26,697.47 = 7,275.83 : x
  2. Step 2: Convert to fraction form
    17,812.31/26,697.47 = 7,275.83/x
  3. Step 3: Cross multiply
    17,812.31x = 26,697.47 × 7,275.83
  4. Step 4: Simplify right side
    17,812.31x = 194,246,083.28
  5. Step 5: Solve for x
    x = 194,246,083.28/17,812.31
  6. Step 6: Final answer
    x = 10,905.16

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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.