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Finding the Fourth Proportional to 70,626.63, 97,464.82 and 38,797.58

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Solution

The fourth proportional to 70,626.63, 97,464.82 and 38,797.58 is: 53,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.63 : 97,464.82 = 38,797.58 : x
  2. Step 2: Convert to fraction form
    70,626.63/97,464.82 = 38,797.58/x
  3. Step 3: Cross multiply
    70,626.63x = 97,464.82 × 38,797.58
  4. Step 4: Simplify right side
    70,626.63x = 3,781,399,370.55
  5. Step 5: Solve for x
    x = 3,781,399,370.55/70,626.63
  6. Step 6: Final answer
    x = 53,540.70

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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.