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Finding the Fourth Proportional to 36,570.24, 54,854.88 and 8,868.48

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Solution

The fourth proportional to 36,570.24, 54,854.88 and 8,868.48 is: 13,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,570.24 : 54,854.88 = 8,868.48 : x
  2. Step 2: Convert to fraction form
    36,570.24/54,854.88 = 8,868.48/x
  3. Step 3: Cross multiply
    36,570.24x = 54,854.88 × 8,868.48
  4. Step 4: Simplify right side
    36,570.24x = 486,479,406.18
  5. Step 5: Solve for x
    x = 486,479,406.18/36,570.24
  6. Step 6: Final answer
    x = 13,302.60

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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.