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Finding the Fourth Proportional to 71,305.62, 98,412.03 and 41,085.15

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Solution

The fourth proportional to 71,305.62, 98,412.03 and 41,085.15 is: 56,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,305.62 : 98,412.03 = 41,085.15 : x
  2. Step 2: Convert to fraction form
    71,305.62/98,412.03 = 41,085.15/x
  3. Step 3: Cross multiply
    71,305.62x = 98,412.03 × 41,085.15
  4. Step 4: Simplify right side
    71,305.62x = 4,043,273,014.35
  5. Step 5: Solve for x
    x = 4,043,273,014.35/71,305.62
  6. Step 6: Final answer
    x = 56,703.43

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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.