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Finding the Fourth Proportional to 3,353.88, 4,628.58 and 1,937.88

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Solution

The fourth proportional to 3,353.88, 4,628.58 and 1,937.88 is: 2,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.88 : 4,628.58 = 1,937.88 : x
  2. Step 2: Convert to fraction form
    3,353.88/4,628.58 = 1,937.88/x
  3. Step 3: Cross multiply
    3,353.88x = 4,628.58 × 1,937.88
  4. Step 4: Simplify right side
    3,353.88x = 8,969,632.61
  5. Step 5: Solve for x
    x = 8,969,632.61/3,353.88
  6. Step 6: Final answer
    x = 2,674.40

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Half scale
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Double scale
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Similar ratio
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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.