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Finding the Fourth Proportional to 45,813.87, 63,223.15 and 27,908.87

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Solution

The fourth proportional to 45,813.87, 63,223.15 and 27,908.87 is: 38,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.87 : 63,223.15 = 27,908.87 : x
  2. Step 2: Convert to fraction form
    45,813.87/63,223.15 = 27,908.87/x
  3. Step 3: Cross multiply
    45,813.87x = 63,223.15 × 27,908.87
  4. Step 4: Simplify right side
    45,813.87x = 1,764,486,954.87
  5. Step 5: Solve for x
    x = 1,764,486,954.87/45,813.87
  6. Step 6: Final answer
    x = 38,514.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.