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Finding the Fourth Proportional to 54,353.70, 81,521.82 and 14,901.66

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Solution

The fourth proportional to 54,353.70, 81,521.82 and 14,901.66 is: 22,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.70 : 81,521.82 = 14,901.66 : x
  2. Step 2: Convert to fraction form
    54,353.70/81,521.82 = 14,901.66/x
  3. Step 3: Cross multiply
    54,353.70x = 81,521.82 × 14,901.66
  4. Step 4: Simplify right side
    54,353.70x = 1,214,810,444.22
  5. Step 5: Solve for x
    x = 1,214,810,444.22/54,353.70
  6. Step 6: Final answer
    x = 22,350.10

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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.