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Finding the Fourth Proportional to 3,392.96, 5,088.12 and 1,363.74

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Solution

The fourth proportional to 3,392.96, 5,088.12 and 1,363.74 is: 2,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.96 : 5,088.12 = 1,363.74 : x
  2. Step 2: Convert to fraction form
    3,392.96/5,088.12 = 1,363.74/x
  3. Step 3: Cross multiply
    3,392.96x = 5,088.12 × 1,363.74
  4. Step 4: Simplify right side
    3,392.96x = 6,938,848.57
  5. Step 5: Solve for x
    x = 6,938,848.57/3,392.96
  6. Step 6: Final answer
    x = 2,045.08

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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.