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Finding the Fourth Proportional to 5,696,762.78, 7,861,034.48 and 3,373,238.46

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Solution

The fourth proportional to 5,696,762.78, 7,861,034.48 and 3,373,238.46 is: 4,654,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696,762.78 : 7,861,034.48 = 3,373,238.46 : x
  2. Step 2: Convert to fraction form
    5,696,762.78/7,861,034.48 = 3,373,238.46/x
  3. Step 3: Cross multiply
    5,696,762.78x = 7,861,034.48 × 3,373,238.46
  4. Step 4: Simplify right side
    5,696,762.78x = 26,517,143,843,322.10
  5. Step 5: Solve for x
    x = 26,517,143,843,322.10/5,696,762.78
  6. Step 6: Final answer
    x = 4,654,774.10

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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.