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Finding the Fourth Proportional to 22,787.01, 34,178.99 and 7,792.70

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Solution

The fourth proportional to 22,787.01, 34,178.99 and 7,792.70 is: 11,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.01 : 34,178.99 = 7,792.70 : x
  2. Step 2: Convert to fraction form
    22,787.01/34,178.99 = 7,792.70/x
  3. Step 3: Cross multiply
    22,787.01x = 34,178.99 × 7,792.70
  4. Step 4: Simplify right side
    22,787.01x = 266,346,405.51
  5. Step 5: Solve for x
    x = 266,346,405.51/22,787.01
  6. Step 6: Final answer
    x = 11,688.52

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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.