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Finding the Fourth Proportional to 54,753.83, 82,130.25 and 17,313.93

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Solution

The fourth proportional to 54,753.83, 82,130.25 and 17,313.93 is: 25,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.83 : 82,130.25 = 17,313.93 : x
  2. Step 2: Convert to fraction form
    54,753.83/82,130.25 = 17,313.93/x
  3. Step 3: Cross multiply
    54,753.83x = 82,130.25 × 17,313.93
  4. Step 4: Simplify right side
    54,753.83x = 1,421,996,988.73
  5. Step 5: Solve for x
    x = 1,421,996,988.73/54,753.83
  6. Step 6: Final answer
    x = 25,970.73

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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.