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Finding the Fourth Proportional to 22,398.57, 33,602.70 and 6,815.79

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Solution

The fourth proportional to 22,398.57, 33,602.70 and 6,815.79 is: 10,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.57 : 33,602.70 = 6,815.79 : x
  2. Step 2: Convert to fraction form
    22,398.57/33,602.70 = 6,815.79/x
  3. Step 3: Cross multiply
    22,398.57x = 33,602.70 × 6,815.79
  4. Step 4: Simplify right side
    22,398.57x = 229,028,946.63
  5. Step 5: Solve for x
    x = 229,028,946.63/22,398.57
  6. Step 6: Final answer
    x = 10,225.16

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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.