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Finding the Fourth Proportional to 5,754.84, 8,626.65 and 1,856.58

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Solution

The fourth proportional to 5,754.84, 8,626.65 and 1,856.58 is: 2,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.84 : 8,626.65 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    5,754.84/8,626.65 = 1,856.58/x
  3. Step 3: Cross multiply
    5,754.84x = 8,626.65 × 1,856.58
  4. Step 4: Simplify right side
    5,754.84x = 16,016,065.86
  5. Step 5: Solve for x
    x = 16,016,065.86/5,754.84
  6. Step 6: Final answer
    x = 2,783.06

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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.