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Finding the Fourth Proportional to 70,926.73, 97,878.88 and 39,096.31

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Solution

The fourth proportional to 70,926.73, 97,878.88 and 39,096.31 is: 53,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.73 : 97,878.88 = 39,096.31 : x
  2. Step 2: Convert to fraction form
    70,926.73/97,878.88 = 39,096.31/x
  3. Step 3: Cross multiply
    70,926.73x = 97,878.88 × 39,096.31
  4. Step 4: Simplify right side
    70,926.73x = 3,826,703,034.93
  5. Step 5: Solve for x
    x = 3,826,703,034.93/70,926.73
  6. Step 6: Final answer
    x = 53,952.91

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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.