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Finding the Fourth Proportional to 54,300.57, 81,447.81 and 14,854.78

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Solution

The fourth proportional to 54,300.57, 81,447.81 and 14,854.78 is: 22,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.57 : 81,447.81 = 14,854.78 : x
  2. Step 2: Convert to fraction form
    54,300.57/81,447.81 = 14,854.78/x
  3. Step 3: Cross multiply
    54,300.57x = 81,447.81 × 14,854.78
  4. Step 4: Simplify right side
    54,300.57x = 1,209,889,299.03
  5. Step 5: Solve for x
    x = 1,209,889,299.03/54,300.57
  6. Step 6: Final answer
    x = 22,281.34

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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.