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Finding the Fourth Proportional to 62,266.62, 86,021.62 and 40,807.38

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Solution

The fourth proportional to 62,266.62, 86,021.62 and 40,807.38 is: 56,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,266.62 : 86,021.62 = 40,807.38 : x
  2. Step 2: Convert to fraction form
    62,266.62/86,021.62 = 40,807.38/x
  3. Step 3: Cross multiply
    62,266.62x = 86,021.62 × 40,807.38
  4. Step 4: Simplify right side
    62,266.62x = 3,510,316,935.56
  5. Step 5: Solve for x
    x = 3,510,316,935.56/62,266.62
  6. Step 6: Final answer
    x = 56,375.58

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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.