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Finding the Fourth Proportional to 5,392.92, 8,088.30 and 1,694.64

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Solution

The fourth proportional to 5,392.92, 8,088.30 and 1,694.64 is: 2,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.92 : 8,088.30 = 1,694.64 : x
  2. Step 2: Convert to fraction form
    5,392.92/8,088.30 = 1,694.64/x
  3. Step 3: Cross multiply
    5,392.92x = 8,088.30 × 1,694.64
  4. Step 4: Simplify right side
    5,392.92x = 13,706,756.71
  5. Step 5: Solve for x
    x = 13,706,756.71/5,392.92
  6. Step 6: Final answer
    x = 2,541.62

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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.