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Finding the Fourth Proportional to 8,775.19, 13,158.06 and 3,839.07

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Solution

The fourth proportional to 8,775.19, 13,158.06 and 3,839.07 is: 5,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.19 : 13,158.06 = 3,839.07 : x
  2. Step 2: Convert to fraction form
    8,775.19/13,158.06 = 3,839.07/x
  3. Step 3: Cross multiply
    8,775.19x = 13,158.06 × 3,839.07
  4. Step 4: Simplify right side
    8,775.19x = 50,514,713.40
  5. Step 5: Solve for x
    x = 50,514,713.40/8,775.19
  6. Step 6: Final answer
    x = 5,756.54

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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.