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Finding the Fourth Proportional to 70,404.12, 97,158.49 and 38,573.55

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Solution

The fourth proportional to 70,404.12, 97,158.49 and 38,573.55 is: 53,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,404.12 : 97,158.49 = 38,573.55 : x
  2. Step 2: Convert to fraction form
    70,404.12/97,158.49 = 38,573.55/x
  3. Step 3: Cross multiply
    70,404.12x = 97,158.49 × 38,573.55
  4. Step 4: Simplify right side
    70,404.12x = 3,747,747,775.51
  5. Step 5: Solve for x
    x = 3,747,747,775.51/70,404.12
  6. Step 6: Final answer
    x = 53,231.94

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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.