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Finding the Fourth Proportional to 5,541.78, 7,632.78 and 4,795.76

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Solution

The fourth proportional to 5,541.78, 7,632.78 and 4,795.76 is: 6,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.78 : 7,632.78 = 4,795.76 : x
  2. Step 2: Convert to fraction form
    5,541.78/7,632.78 = 4,795.76/x
  3. Step 3: Cross multiply
    5,541.78x = 7,632.78 × 4,795.76
  4. Step 4: Simplify right side
    5,541.78x = 36,604,981.01
  5. Step 5: Solve for x
    x = 36,604,981.01/5,541.78
  6. Step 6: Final answer
    x = 6,605.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.