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Finding the Fourth Proportional to 60,514.84, 90,743.46 and 21,067.12

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Solution

The fourth proportional to 60,514.84, 90,743.46 and 21,067.12 is: 31,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.84 : 90,743.46 = 21,067.12 : x
  2. Step 2: Convert to fraction form
    60,514.84/90,743.46 = 21,067.12/x
  3. Step 3: Cross multiply
    60,514.84x = 90,743.46 × 21,067.12
  4. Step 4: Simplify right side
    60,514.84x = 1,911,703,361.04
  5. Step 5: Solve for x
    x = 1,911,703,361.04/60,514.84
  6. Step 6: Final answer
    x = 31,590.65

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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.