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Finding the Fourth Proportional to 1,793.84, 2,688.98 and 754.10

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Solution

The fourth proportional to 1,793.84, 2,688.98 and 754.10 is: 1,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.84 : 2,688.98 = 754.10 : x
  2. Step 2: Convert to fraction form
    1,793.84/2,688.98 = 754.10/x
  3. Step 3: Cross multiply
    1,793.84x = 2,688.98 × 754.10
  4. Step 4: Simplify right side
    1,793.84x = 2,027,759.82
  5. Step 5: Solve for x
    x = 2,027,759.82/1,793.84
  6. Step 6: Final answer
    x = 1,130.40

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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.