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Finding the Fourth Proportional to 70,705.85, 97,568.29 and 41,629.62

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Solution

The fourth proportional to 70,705.85, 97,568.29 and 41,629.62 is: 57,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.85 : 97,568.29 = 41,629.62 : x
  2. Step 2: Convert to fraction form
    70,705.85/97,568.29 = 41,629.62/x
  3. Step 3: Cross multiply
    70,705.85x = 97,568.29 × 41,629.62
  4. Step 4: Simplify right side
    70,705.85x = 4,061,730,592.83
  5. Step 5: Solve for x
    x = 4,061,730,592.83/70,705.85
  6. Step 6: Final answer
    x = 57,445.47

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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.