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Finding the Fourth Proportional to 5,816.70, 8,724.94 and 1,656.74

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Solution

The fourth proportional to 5,816.70, 8,724.94 and 1,656.74 is: 2,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.70 : 8,724.94 = 1,656.74 : x
  2. Step 2: Convert to fraction form
    5,816.70/8,724.94 = 1,656.74/x
  3. Step 3: Cross multiply
    5,816.70x = 8,724.94 × 1,656.74
  4. Step 4: Simplify right side
    5,816.70x = 14,454,951.37
  5. Step 5: Solve for x
    x = 14,454,951.37/5,816.70
  6. Step 6: Final answer
    x = 2,485.08

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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.