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Finding the Fourth Proportional to 4,920.06, 6,787.07 and 3,032.06

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Solution

The fourth proportional to 4,920.06, 6,787.07 and 3,032.06 is: 4,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.06 : 6,787.07 = 3,032.06 : x
  2. Step 2: Convert to fraction form
    4,920.06/6,787.07 = 3,032.06/x
  3. Step 3: Cross multiply
    4,920.06x = 6,787.07 × 3,032.06
  4. Step 4: Simplify right side
    4,920.06x = 20,578,754.37
  5. Step 5: Solve for x
    x = 20,578,754.37/4,920.06
  6. Step 6: Final answer
    x = 4,182.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.