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Finding the Fourth Proportional to 70,697.96, 97,559.43 and 38,860.74

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Solution

The fourth proportional to 70,697.96, 97,559.43 and 38,860.74 is: 53,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,697.96 : 97,559.43 = 38,860.74 : x
  2. Step 2: Convert to fraction form
    70,697.96/97,559.43 = 38,860.74/x
  3. Step 3: Cross multiply
    70,697.96x = 97,559.43 × 38,860.74
  4. Step 4: Simplify right side
    70,697.96x = 3,791,231,643.78
  5. Step 5: Solve for x
    x = 3,791,231,643.78/70,697.96
  6. Step 6: Final answer
    x = 53,625.76

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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.