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Finding the Fourth Proportional to 5,928.78, 8,886.84 and 4,463.40

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Solution

The fourth proportional to 5,928.78, 8,886.84 and 4,463.40 is: 6,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.78 : 8,886.84 = 4,463.40 : x
  2. Step 2: Convert to fraction form
    5,928.78/8,886.84 = 4,463.40/x
  3. Step 3: Cross multiply
    5,928.78x = 8,886.84 × 4,463.40
  4. Step 4: Simplify right side
    5,928.78x = 39,665,521.66
  5. Step 5: Solve for x
    x = 39,665,521.66/5,928.78
  6. Step 6: Final answer
    x = 6,690.33

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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.