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Finding the Fourth Proportional to 54,574.80, 81,887.04 and 26,479.68

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Solution

The fourth proportional to 54,574.80, 81,887.04 and 26,479.68 is: 39,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.80 : 81,887.04 = 26,479.68 : x
  2. Step 2: Convert to fraction form
    54,574.80/81,887.04 = 26,479.68/x
  3. Step 3: Cross multiply
    54,574.80x = 81,887.04 × 26,479.68
  4. Step 4: Simplify right side
    54,574.80x = 2,168,342,615.35
  5. Step 5: Solve for x
    x = 2,168,342,615.35/54,574.80
  6. Step 6: Final answer
    x = 39,731.57

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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.