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Finding the Fourth Proportional to 4,881.76, 7,325.84 and 4,557.76

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Solution

The fourth proportional to 4,881.76, 7,325.84 and 4,557.76 is: 6,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.76 : 7,325.84 = 4,557.76 : x
  2. Step 2: Convert to fraction form
    4,881.76/7,325.84 = 4,557.76/x
  3. Step 3: Cross multiply
    4,881.76x = 7,325.84 × 4,557.76
  4. Step 4: Simplify right side
    4,881.76x = 33,389,420.52
  5. Step 5: Solve for x
    x = 33,389,420.52/4,881.76
  6. Step 6: Final answer
    x = 6,839.63

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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.