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Finding the Fourth Proportional to 70,433.46, 97,198.11 and 38,602.08

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Solution

The fourth proportional to 70,433.46, 97,198.11 and 38,602.08 is: 53,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,433.46 : 97,198.11 = 38,602.08 : x
  2. Step 2: Convert to fraction form
    70,433.46/97,198.11 = 38,602.08/x
  3. Step 3: Cross multiply
    70,433.46x = 97,198.11 × 38,602.08
  4. Step 4: Simplify right side
    70,433.46x = 3,752,049,218.07
  5. Step 5: Solve for x
    x = 3,752,049,218.07/70,433.46
  6. Step 6: Final answer
    x = 53,270.83

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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.