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Finding the Fourth Proportional to 5,988, 8,263.20 and 3,335.52

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Solution

The fourth proportional to 5,988, 8,263.20 and 3,335.52 is: 4,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988 : 8,263.20 = 3,335.52 : x
  2. Step 2: Convert to fraction form
    5,988/8,263.20 = 3,335.52/x
  3. Step 3: Cross multiply
    5,988x = 8,263.20 × 3,335.52
  4. Step 4: Simplify right side
    5,988x = 27,562,068.86
  5. Step 5: Solve for x
    x = 27,562,068.86/5,988
  6. Step 6: Final answer
    x = 4,602.88

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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.