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Finding the Fourth Proportional to 6,516.79, 8,993.18 and 3,532.61

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Solution

The fourth proportional to 6,516.79, 8,993.18 and 3,532.61 is: 4,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.79 : 8,993.18 = 3,532.61 : x
  2. Step 2: Convert to fraction form
    6,516.79/8,993.18 = 3,532.61/x
  3. Step 3: Cross multiply
    6,516.79x = 8,993.18 × 3,532.61
  4. Step 4: Simplify right side
    6,516.79x = 31,769,415.67
  5. Step 5: Solve for x
    x = 31,769,415.67/6,516.79
  6. Step 6: Final answer
    x = 4,875.01

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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.