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Finding the Fourth Proportional to 70,037.55, 96,654.06 and 39,827.79

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Solution

The fourth proportional to 70,037.55, 96,654.06 and 39,827.79 is: 54,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,037.55 : 96,654.06 = 39,827.79 : x
  2. Step 2: Convert to fraction form
    70,037.55/96,654.06 = 39,827.79/x
  3. Step 3: Cross multiply
    70,037.55x = 96,654.06 × 39,827.79
  4. Step 4: Simplify right side
    70,037.55x = 3,849,517,604.33
  5. Step 5: Solve for x
    x = 3,849,517,604.33/70,037.55
  6. Step 6: Final answer
    x = 54,963.62

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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.