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Finding the Fourth Proportional to 61,853.70, 85,378.67 and 44,000.49

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Solution

The fourth proportional to 61,853.70, 85,378.67 and 44,000.49 is: 60,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.70 : 85,378.67 = 44,000.49 : x
  2. Step 2: Convert to fraction form
    61,853.70/85,378.67 = 44,000.49/x
  3. Step 3: Cross multiply
    61,853.70x = 85,378.67 × 44,000.49
  4. Step 4: Simplify right side
    61,853.70x = 3,756,703,315.55
  5. Step 5: Solve for x
    x = 3,756,703,315.55/61,853.70
  6. Step 6: Final answer
    x = 60,735.30

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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.