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Finding the Fourth Proportional to 72,675.58, 100,295.28 and 40,844.41

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Solution

The fourth proportional to 72,675.58, 100,295.28 and 40,844.41 is: 56,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,675.58 : 100,295.28 = 40,844.41 : x
  2. Step 2: Convert to fraction form
    72,675.58/100,295.28 = 40,844.41/x
  3. Step 3: Cross multiply
    72,675.58x = 100,295.28 × 40,844.41
  4. Step 4: Simplify right side
    72,675.58x = 4,096,501,537.38
  5. Step 5: Solve for x
    x = 4,096,501,537.38/72,675.58
  6. Step 6: Final answer
    x = 56,366.96

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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.