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Finding the Fourth Proportional to 60,283.88, 90,481.64 and 30,723.74

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Solution

The fourth proportional to 60,283.88, 90,481.64 and 30,723.74 is: 46,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,283.88 : 90,481.64 = 30,723.74 : x
  2. Step 2: Convert to fraction form
    60,283.88/90,481.64 = 30,723.74/x
  3. Step 3: Cross multiply
    60,283.88x = 90,481.64 × 30,723.74
  4. Step 4: Simplify right side
    60,283.88x = 2,779,933,776.11
  5. Step 5: Solve for x
    x = 2,779,933,776.11/60,283.88
  6. Step 6: Final answer
    x = 46,114.05

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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.