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Finding the Fourth Proportional to 56,216.66, 77,498.51 and 34,691.99

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Solution

The fourth proportional to 56,216.66, 77,498.51 and 34,691.99 is: 47,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.66 : 77,498.51 = 34,691.99 : x
  2. Step 2: Convert to fraction form
    56,216.66/77,498.51 = 34,691.99/x
  3. Step 3: Cross multiply
    56,216.66x = 77,498.51 × 34,691.99
  4. Step 4: Simplify right side
    56,216.66x = 2,688,576,972.98
  5. Step 5: Solve for x
    x = 2,688,576,972.98/56,216.66
  6. Step 6: Final answer
    x = 47,825.27

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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.