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Finding the Fourth Proportional to 86,630.58, 129,950.46 and 27,461.70

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Solution

The fourth proportional to 86,630.58, 129,950.46 and 27,461.70 is: 41,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630.58 : 129,950.46 = 27,461.70 : x
  2. Step 2: Convert to fraction form
    86,630.58/129,950.46 = 27,461.70/x
  3. Step 3: Cross multiply
    86,630.58x = 129,950.46 × 27,461.70
  4. Step 4: Simplify right side
    86,630.58x = 3,568,660,547.38
  5. Step 5: Solve for x
    x = 3,568,660,547.38/86,630.58
  6. Step 6: Final answer
    x = 41,194.01

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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.