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Finding the Fourth Proportional to 22,612.02, 33,907.02 and 7,815.72

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Solution

The fourth proportional to 22,612.02, 33,907.02 and 7,815.72 is: 11,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.02 : 33,907.02 = 7,815.72 : x
  2. Step 2: Convert to fraction form
    22,612.02/33,907.02 = 7,815.72/x
  3. Step 3: Cross multiply
    22,612.02x = 33,907.02 × 7,815.72
  4. Step 4: Simplify right side
    22,612.02x = 265,007,774.35
  5. Step 5: Solve for x
    x = 265,007,774.35/22,612.02
  6. Step 6: Final answer
    x = 11,719.77

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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.