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Finding the Fourth Proportional to 22,878.02, 34,309.74 and 7,292

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Solution

The fourth proportional to 22,878.02, 34,309.74 and 7,292 is: 10,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.02 : 34,309.74 = 7,292 : x
  2. Step 2: Convert to fraction form
    22,878.02/34,309.74 = 7,292/x
  3. Step 3: Cross multiply
    22,878.02x = 34,309.74 × 7,292
  4. Step 4: Simplify right side
    22,878.02x = 250,186,624.08
  5. Step 5: Solve for x
    x = 250,186,624.08/22,878.02
  6. Step 6: Final answer
    x = 10,935.68

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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.