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Finding the Fourth Proportional to 61,849.65, 92,777.64 and 17,479.60

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Solution

The fourth proportional to 61,849.65, 92,777.64 and 17,479.60 is: 26,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,849.65 : 92,777.64 = 17,479.60 : x
  2. Step 2: Convert to fraction form
    61,849.65/92,777.64 = 17,479.60/x
  3. Step 3: Cross multiply
    61,849.65x = 92,777.64 × 17,479.60
  4. Step 4: Simplify right side
    61,849.65x = 1,621,716,036.14
  5. Step 5: Solve for x
    x = 1,621,716,036.14/61,849.65
  6. Step 6: Final answer
    x = 26,220.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.