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Finding the Fourth Proportional to 4,552.74, 6,798.60 and 3,618

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Solution

The fourth proportional to 4,552.74, 6,798.60 and 3,618 is: 5,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.74 : 6,798.60 = 3,618 : x
  2. Step 2: Convert to fraction form
    4,552.74/6,798.60 = 3,618/x
  3. Step 3: Cross multiply
    4,552.74x = 6,798.60 × 3,618
  4. Step 4: Simplify right side
    4,552.74x = 24,597,334.80
  5. Step 5: Solve for x
    x = 24,597,334.80/4,552.74
  6. Step 6: Final answer
    x = 5,402.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.