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Finding the Fourth Proportional to 70,304.58, 97,017.21 and 38,474.82

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Solution

The fourth proportional to 70,304.58, 97,017.21 and 38,474.82 is: 53,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,304.58 : 97,017.21 = 38,474.82 : x
  2. Step 2: Convert to fraction form
    70,304.58/97,017.21 = 38,474.82/x
  3. Step 3: Cross multiply
    70,304.58x = 97,017.21 × 38,474.82
  4. Step 4: Simplify right side
    70,304.58x = 3,732,719,691.65
  5. Step 5: Solve for x
    x = 3,732,719,691.65/70,304.58
  6. Step 6: Final answer
    x = 53,093.55

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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.