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Finding the Fourth Proportional to 61,923.65, 85,455.63 and 35,065.44

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Solution

The fourth proportional to 61,923.65, 85,455.63 and 35,065.44 is: 48,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,923.65 : 85,455.63 = 35,065.44 : x
  2. Step 2: Convert to fraction form
    61,923.65/85,455.63 = 35,065.44/x
  3. Step 3: Cross multiply
    61,923.65x = 85,455.63 × 35,065.44
  4. Step 4: Simplify right side
    61,923.65x = 2,996,539,266.43
  5. Step 5: Solve for x
    x = 2,996,539,266.43/61,923.65
  6. Step 6: Final answer
    x = 48,390.87

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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.