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Finding the Fourth Proportional to 70,767.08, 97,660.06 and 38,936.04

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Solution

The fourth proportional to 70,767.08, 97,660.06 and 38,936.04 is: 53,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.08 : 97,660.06 = 38,936.04 : x
  2. Step 2: Convert to fraction form
    70,767.08/97,660.06 = 38,936.04/x
  3. Step 3: Cross multiply
    70,767.08x = 97,660.06 × 38,936.04
  4. Step 4: Simplify right side
    70,767.08x = 3,802,496,051.23
  5. Step 5: Solve for x
    x = 3,802,496,051.23/70,767.08
  6. Step 6: Final answer
    x = 53,732.55

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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.