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Finding the Fourth Proportional to 60,015.63, 90,079.98 and 30,454.68

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Solution

The fourth proportional to 60,015.63, 90,079.98 and 30,454.68 is: 45,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,015.63 : 90,079.98 = 30,454.68 : x
  2. Step 2: Convert to fraction form
    60,015.63/90,079.98 = 30,454.68/x
  3. Step 3: Cross multiply
    60,015.63x = 90,079.98 × 30,454.68
  4. Step 4: Simplify right side
    60,015.63x = 2,743,356,965.31
  5. Step 5: Solve for x
    x = 2,743,356,965.31/60,015.63
  6. Step 6: Final answer
    x = 45,710.71

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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.