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Finding the Fourth Proportional to 61,929.99, 85,448.75 and 36,437.47

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Solution

The fourth proportional to 61,929.99, 85,448.75 and 36,437.47 is: 50,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.99 : 85,448.75 = 36,437.47 : x
  2. Step 2: Convert to fraction form
    61,929.99/85,448.75 = 36,437.47/x
  3. Step 3: Cross multiply
    61,929.99x = 85,448.75 × 36,437.47
  4. Step 4: Simplify right side
    61,929.99x = 3,113,536,211.66
  5. Step 5: Solve for x
    x = 3,113,536,211.66/61,929.99
  6. Step 6: Final answer
    x = 50,275.09

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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.