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Finding the Fourth Proportional to 55,787.06, 83,680.59 and 14,234.06

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Solution

The fourth proportional to 55,787.06, 83,680.59 and 14,234.06 is: 21,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.06 : 83,680.59 = 14,234.06 : x
  2. Step 2: Convert to fraction form
    55,787.06/83,680.59 = 14,234.06/x
  3. Step 3: Cross multiply
    55,787.06x = 83,680.59 × 14,234.06
  4. Step 4: Simplify right side
    55,787.06x = 1,191,114,801.47
  5. Step 5: Solve for x
    x = 1,191,114,801.47/55,787.06
  6. Step 6: Final answer
    x = 21,351.09

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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.