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Finding the Fourth Proportional to 39,492.93, 54,498.72 and 22,498.11

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Solution

The fourth proportional to 39,492.93, 54,498.72 and 22,498.11 is: 31,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.93 : 54,498.72 = 22,498.11 : x
  2. Step 2: Convert to fraction form
    39,492.93/54,498.72 = 22,498.11/x
  3. Step 3: Cross multiply
    39,492.93x = 54,498.72 × 22,498.11
  4. Step 4: Simplify right side
    39,492.93x = 1,226,118,197.42
  5. Step 5: Solve for x
    x = 1,226,118,197.42/39,492.93
  6. Step 6: Final answer
    x = 31,046.52

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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.