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Finding the Fourth Proportional to 74,454.76, 102,744.75 and 42,626.62

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Solution

The fourth proportional to 74,454.76, 102,744.75 and 42,626.62 is: 58,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,454.76 : 102,744.75 = 42,626.62 : x
  2. Step 2: Convert to fraction form
    74,454.76/102,744.75 = 42,626.62/x
  3. Step 3: Cross multiply
    74,454.76x = 102,744.75 × 42,626.62
  4. Step 4: Simplify right side
    74,454.76x = 4,379,661,415.25
  5. Step 5: Solve for x
    x = 4,379,661,415.25/74,454.76
  6. Step 6: Final answer
    x = 58,823.12

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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.