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Finding the Fourth Proportional to 70,626.54, 97,459.83 and 38,796.78

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Solution

The fourth proportional to 70,626.54, 97,459.83 and 38,796.78 is: 53,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.54 : 97,459.83 = 38,796.78 : x
  2. Step 2: Convert to fraction form
    70,626.54/97,459.83 = 38,796.78/x
  3. Step 3: Cross multiply
    70,626.54x = 97,459.83 × 38,796.78
  4. Step 4: Simplify right side
    70,626.54x = 3,781,127,583.35
  5. Step 5: Solve for x
    x = 3,781,127,583.35/70,626.54
  6. Step 6: Final answer
    x = 53,536.92

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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.