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Finding the Fourth Proportional to 72,928.98, 100,636.29 and 44,630.82

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Solution

The fourth proportional to 72,928.98, 100,636.29 and 44,630.82 is: 61,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,928.98 : 100,636.29 = 44,630.82 : x
  2. Step 2: Convert to fraction form
    72,928.98/100,636.29 = 44,630.82/x
  3. Step 3: Cross multiply
    72,928.98x = 100,636.29 × 44,630.82
  4. Step 4: Simplify right side
    72,928.98x = 4,491,480,144.46
  5. Step 5: Solve for x
    x = 4,491,480,144.46/72,928.98
  6. Step 6: Final answer
    x = 61,587.04

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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.