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Finding the Fourth Proportional to 60,518.60, 83,514.90 and 33,661

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Solution

The fourth proportional to 60,518.60, 83,514.90 and 33,661 is: 46,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.60 : 83,514.90 = 33,661 : x
  2. Step 2: Convert to fraction form
    60,518.60/83,514.90 = 33,661/x
  3. Step 3: Cross multiply
    60,518.60x = 83,514.90 × 33,661
  4. Step 4: Simplify right side
    60,518.60x = 2,811,195,048.90
  5. Step 5: Solve for x
    x = 2,811,195,048.90/60,518.60
  6. Step 6: Final answer
    x = 46,451.75

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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.