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Finding the Fourth Proportional to 22,461.52, 31,009.44 and 15,767.68

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Solution

The fourth proportional to 22,461.52, 31,009.44 and 15,767.68 is: 21,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.52 : 31,009.44 = 15,767.68 : x
  2. Step 2: Convert to fraction form
    22,461.52/31,009.44 = 15,767.68/x
  3. Step 3: Cross multiply
    22,461.52x = 31,009.44 × 15,767.68
  4. Step 4: Simplify right side
    22,461.52x = 488,946,926.90
  5. Step 5: Solve for x
    x = 488,946,926.90/22,461.52
  6. Step 6: Final answer
    x = 21,768.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.