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Finding the Fourth Proportional to 70,695.48, 97,559.46 and 38,866.08

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Solution

The fourth proportional to 70,695.48, 97,559.46 and 38,866.08 is: 53,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,695.48 : 97,559.46 = 38,866.08 : x
  2. Step 2: Convert to fraction form
    70,695.48/97,559.46 = 38,866.08/x
  3. Step 3: Cross multiply
    70,695.48x = 97,559.46 × 38,866.08
  4. Step 4: Simplify right side
    70,695.48x = 3,791,753,777.12
  5. Step 5: Solve for x
    x = 3,791,753,777.12/70,695.48
  6. Step 6: Final answer
    x = 53,635.02

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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.