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Finding the Fourth Proportional to 8,805.61, 13,201.50 and 4,364.82

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Solution

The fourth proportional to 8,805.61, 13,201.50 and 4,364.82 is: 6,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.61 : 13,201.50 = 4,364.82 : x
  2. Step 2: Convert to fraction form
    8,805.61/13,201.50 = 4,364.82/x
  3. Step 3: Cross multiply
    8,805.61x = 13,201.50 × 4,364.82
  4. Step 4: Simplify right side
    8,805.61x = 57,622,149.41
  5. Step 5: Solve for x
    x = 57,622,149.41/8,805.61
  6. Step 6: Final answer
    x = 6,543.80

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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.