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Finding the Fourth Proportional to 3,392.62, 5,088.93 and 927.51

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Solution

The fourth proportional to 3,392.62, 5,088.93 and 927.51 is: 1,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.62 : 5,088.93 = 927.51 : x
  2. Step 2: Convert to fraction form
    3,392.62/5,088.93 = 927.51/x
  3. Step 3: Cross multiply
    3,392.62x = 5,088.93 × 927.51
  4. Step 4: Simplify right side
    3,392.62x = 4,720,033.46
  5. Step 5: Solve for x
    x = 4,720,033.46/3,392.62
  6. Step 6: Final answer
    x = 1,391.27

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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.