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Finding the Fourth Proportional to 22,802.40, 34,201.44 and 7,218.72

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Solution

The fourth proportional to 22,802.40, 34,201.44 and 7,218.72 is: 10,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.40 : 34,201.44 = 7,218.72 : x
  2. Step 2: Convert to fraction form
    22,802.40/34,201.44 = 7,218.72/x
  3. Step 3: Cross multiply
    22,802.40x = 34,201.44 × 7,218.72
  4. Step 4: Simplify right side
    22,802.40x = 246,890,618.96
  5. Step 5: Solve for x
    x = 246,890,618.96/22,802.40
  6. Step 6: Final answer
    x = 10,827.40

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1.5x scale

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.