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Finding the Fourth Proportional to 75,818.76, 113,494.86 and 49,466.76

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Solution

The fourth proportional to 75,818.76, 113,494.86 and 49,466.76 is: 74,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.76 : 113,494.86 = 49,466.76 : x
  2. Step 2: Convert to fraction form
    75,818.76/113,494.86 = 49,466.76/x
  3. Step 3: Cross multiply
    75,818.76x = 113,494.86 × 49,466.76
  4. Step 4: Simplify right side
    75,818.76x = 5,614,223,000.85
  5. Step 5: Solve for x
    x = 5,614,223,000.85/75,818.76
  6. Step 6: Final answer
    x = 74,047.94

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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.