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Finding the Fourth Proportional to 1,592.39, 2,197.50 and 884.21

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Solution

The fourth proportional to 1,592.39, 2,197.50 and 884.21 is: 1,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.39 : 2,197.50 = 884.21 : x
  2. Step 2: Convert to fraction form
    1,592.39/2,197.50 = 884.21/x
  3. Step 3: Cross multiply
    1,592.39x = 2,197.50 × 884.21
  4. Step 4: Simplify right side
    1,592.39x = 1,943,056.97
  5. Step 5: Solve for x
    x = 1,943,056.97/1,592.39
  6. Step 6: Final answer
    x = 1,220.21

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Double scale
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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.