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Finding the Fourth Proportional to 70,679.66, 97,536.68 and 38,848.55

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Solution

The fourth proportional to 70,679.66, 97,536.68 and 38,848.55 is: 53,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.66 : 97,536.68 = 38,848.55 : x
  2. Step 2: Convert to fraction form
    70,679.66/97,536.68 = 38,848.55/x
  3. Step 3: Cross multiply
    70,679.66x = 97,536.68 × 38,848.55
  4. Step 4: Simplify right side
    70,679.66x = 3,789,158,589.81
  5. Step 5: Solve for x
    x = 3,789,158,589.81/70,679.66
  6. Step 6: Final answer
    x = 53,610.31

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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.