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Finding the Fourth Proportional to 3,292.64, 4,909.91 and 3,263.00

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Solution

The fourth proportional to 3,292.64, 4,909.91 and 3,263.00 is: 4,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.64 : 4,909.91 = 3,263.00 : x
  2. Step 2: Convert to fraction form
    3,292.64/4,909.91 = 3,263.00/x
  3. Step 3: Cross multiply
    3,292.64x = 4,909.91 × 3,263.00
  4. Step 4: Simplify right side
    3,292.64x = 16,021,044.53
  5. Step 5: Solve for x
    x = 16,021,044.53/3,292.64
  6. Step 6: Final answer
    x = 4,865.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.