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Finding the Fourth Proportional to 4,292.20, 5,994.50 and 4,292.20

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Solution

The fourth proportional to 4,292.20, 5,994.50 and 4,292.20 is: 5,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.20 : 5,994.50 = 4,292.20 : x
  2. Step 2: Convert to fraction form
    4,292.20/5,994.50 = 4,292.20/x
  3. Step 3: Cross multiply
    4,292.20x = 5,994.50 × 4,292.20
  4. Step 4: Simplify right side
    4,292.20x = 25,729,592.90
  5. Step 5: Solve for x
    x = 25,729,592.90/4,292.20
  6. Step 6: Final answer
    x = 5,994.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.