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Finding the Fourth Proportional to 69,159.09, 95,324.81 and 48,990.09

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Solution

The fourth proportional to 69,159.09, 95,324.81 and 48,990.09 is: 67,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,159.09 : 95,324.81 = 48,990.09 : x
  2. Step 2: Convert to fraction form
    69,159.09/95,324.81 = 48,990.09/x
  3. Step 3: Cross multiply
    69,159.09x = 95,324.81 × 48,990.09
  4. Step 4: Simplify right side
    69,159.09x = 4,669,971,021.13
  5. Step 5: Solve for x
    x = 4,669,971,021.13/69,159.09
  6. Step 6: Final answer
    x = 67,525.05

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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.