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Finding the Fourth Proportional to 5,338.76, 7,363.78 and 4,898.12

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Solution

The fourth proportional to 5,338.76, 7,363.78 and 4,898.12 is: 6,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.76 : 7,363.78 = 4,898.12 : x
  2. Step 2: Convert to fraction form
    5,338.76/7,363.78 = 4,898.12/x
  3. Step 3: Cross multiply
    5,338.76x = 7,363.78 × 4,898.12
  4. Step 4: Simplify right side
    5,338.76x = 36,068,678.09
  5. Step 5: Solve for x
    x = 36,068,678.09/5,338.76
  6. Step 6: Final answer
    x = 6,756.00

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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.