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Finding the Fourth Proportional to 54,347.82, 81,501.84 and 18,800.16

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Solution

The fourth proportional to 54,347.82, 81,501.84 and 18,800.16 is: 28,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.82 : 81,501.84 = 18,800.16 : x
  2. Step 2: Convert to fraction form
    54,347.82/81,501.84 = 18,800.16/x
  3. Step 3: Cross multiply
    54,347.82x = 81,501.84 × 18,800.16
  4. Step 4: Simplify right side
    54,347.82x = 1,532,247,632.29
  5. Step 5: Solve for x
    x = 1,532,247,632.29/54,347.82
  6. Step 6: Final answer
    x = 28,193.36

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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.