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Finding the Fourth Proportional to 8,775.61, 13,162.91 and 2,852.42

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Solution

The fourth proportional to 8,775.61, 13,162.91 and 2,852.42 is: 4,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.61 : 13,162.91 = 2,852.42 : x
  2. Step 2: Convert to fraction form
    8,775.61/13,162.91 = 2,852.42/x
  3. Step 3: Cross multiply
    8,775.61x = 13,162.91 × 2,852.42
  4. Step 4: Simplify right side
    8,775.61x = 37,546,067.67
  5. Step 5: Solve for x
    x = 37,546,067.67/8,775.61
  6. Step 6: Final answer
    x = 4,278.46

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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.