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Finding the Fourth Proportional to 54,061.77, 74,602.02 and 30,189.93

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Solution

The fourth proportional to 54,061.77, 74,602.02 and 30,189.93 is: 41,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,061.77 : 74,602.02 = 30,189.93 : x
  2. Step 2: Convert to fraction form
    54,061.77/74,602.02 = 30,189.93/x
  3. Step 3: Cross multiply
    54,061.77x = 74,602.02 × 30,189.93
  4. Step 4: Simplify right side
    54,061.77x = 2,252,229,761.66
  5. Step 5: Solve for x
    x = 2,252,229,761.66/54,061.77
  6. Step 6: Final answer
    x = 41,660.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.