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Finding the Fourth Proportional to 4,905.86, 6,772.88 and 3,232.13

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Solution

The fourth proportional to 4,905.86, 6,772.88 and 3,232.13 is: 4,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.86 : 6,772.88 = 3,232.13 : x
  2. Step 2: Convert to fraction form
    4,905.86/6,772.88 = 3,232.13/x
  3. Step 3: Cross multiply
    4,905.86x = 6,772.88 × 3,232.13
  4. Step 4: Simplify right side
    4,905.86x = 21,890,828.63
  5. Step 5: Solve for x
    x = 21,890,828.63/4,905.86
  6. Step 6: Final answer
    x = 4,462.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.