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Finding the Fourth Proportional to 72,247.80, 99,705.02 and 44,658.59

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Solution

The fourth proportional to 72,247.80, 99,705.02 and 44,658.59 is: 61,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,247.80 : 99,705.02 = 44,658.59 : x
  2. Step 2: Convert to fraction form
    72,247.80/99,705.02 = 44,658.59/x
  3. Step 3: Cross multiply
    72,247.80x = 99,705.02 × 44,658.59
  4. Step 4: Simplify right side
    72,247.80x = 4,452,685,635.09
  5. Step 5: Solve for x
    x = 4,452,685,635.09/72,247.80
  6. Step 6: Final answer
    x = 61,630.74

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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.