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Finding the Fourth Proportional to 52,986.94, 79,507.66 and 29,290.08

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Solution

The fourth proportional to 52,986.94, 79,507.66 and 29,290.08 is: 43,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.94 : 79,507.66 = 29,290.08 : x
  2. Step 2: Convert to fraction form
    52,986.94/79,507.66 = 29,290.08/x
  3. Step 3: Cross multiply
    52,986.94x = 79,507.66 × 29,290.08
  4. Step 4: Simplify right side
    52,986.94x = 2,328,785,722.01
  5. Step 5: Solve for x
    x = 2,328,785,722.01/52,986.94
  6. Step 6: Final answer
    x = 43,950.18

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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.