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Finding the Fourth Proportional to 86,545.74, 129,823.34 and 27,377.01

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Solution

The fourth proportional to 86,545.74, 129,823.34 and 27,377.01 is: 41,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,545.74 : 129,823.34 = 27,377.01 : x
  2. Step 2: Convert to fraction form
    86,545.74/129,823.34 = 27,377.01/x
  3. Step 3: Cross multiply
    86,545.74x = 129,823.34 × 27,377.01
  4. Step 4: Simplify right side
    86,545.74x = 3,554,174,740.53
  5. Step 5: Solve for x
    x = 3,554,174,740.53/86,545.74
  6. Step 6: Final answer
    x = 41,067.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.