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Finding the Fourth Proportional to 4,886.48, 7,330.80 and 2,288

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Solution

The fourth proportional to 4,886.48, 7,330.80 and 2,288 is: 3,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.48 : 7,330.80 = 2,288 : x
  2. Step 2: Convert to fraction form
    4,886.48/7,330.80 = 2,288/x
  3. Step 3: Cross multiply
    4,886.48x = 7,330.80 × 2,288
  4. Step 4: Simplify right side
    4,886.48x = 16,772,870.40
  5. Step 5: Solve for x
    x = 16,772,870.40/4,886.48
  6. Step 6: Final answer
    x = 3,432.51

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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.