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Finding the Fourth Proportional to 8,965.33, 13,435.70 and 4,573.55

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Solution

The fourth proportional to 8,965.33, 13,435.70 and 4,573.55 is: 6,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.33 : 13,435.70 = 4,573.55 : x
  2. Step 2: Convert to fraction form
    8,965.33/13,435.70 = 4,573.55/x
  3. Step 3: Cross multiply
    8,965.33x = 13,435.70 × 4,573.55
  4. Step 4: Simplify right side
    8,965.33x = 61,448,856.46
  5. Step 5: Solve for x
    x = 61,448,856.46/8,965.33
  6. Step 6: Final answer
    x = 6,854.06

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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.