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Finding the Fourth Proportional to 54,690.80, 82,025.71 and 23,090.47

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Solution

The fourth proportional to 54,690.80, 82,025.71 and 23,090.47 is: 34,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.80 : 82,025.71 = 23,090.47 : x
  2. Step 2: Convert to fraction form
    54,690.80/82,025.71 = 23,090.47/x
  3. Step 3: Cross multiply
    54,690.80x = 82,025.71 × 23,090.47
  4. Step 4: Simplify right side
    54,690.80x = 1,894,012,063.08
  5. Step 5: Solve for x
    x = 1,894,012,063.08/54,690.80
  6. Step 6: Final answer
    x = 34,631.28

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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.