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Finding the Fourth Proportional to 67,074.81, 92,531.34 and 48,222.87

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Solution

The fourth proportional to 67,074.81, 92,531.34 and 48,222.87 is: 66,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,074.81 : 92,531.34 = 48,222.87 : x
  2. Step 2: Convert to fraction form
    67,074.81/92,531.34 = 48,222.87/x
  3. Step 3: Cross multiply
    67,074.81x = 92,531.34 × 48,222.87
  4. Step 4: Simplify right side
    67,074.81x = 4,462,126,779.75
  5. Step 5: Solve for x
    x = 4,462,126,779.75/67,074.81
  6. Step 6: Final answer
    x = 66,524.63

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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.