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Finding the Fourth Proportional to 8,798.94, 13,196.97 and 2,641.50

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Solution

The fourth proportional to 8,798.94, 13,196.97 and 2,641.50 is: 3,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.94 : 13,196.97 = 2,641.50 : x
  2. Step 2: Convert to fraction form
    8,798.94/13,196.97 = 2,641.50/x
  3. Step 3: Cross multiply
    8,798.94x = 13,196.97 × 2,641.50
  4. Step 4: Simplify right side
    8,798.94x = 34,859,796.26
  5. Step 5: Solve for x
    x = 34,859,796.26/8,798.94
  6. Step 6: Final answer
    x = 3,961.82

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Double scale
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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.