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Finding the Fourth Proportional to 3,092.01, 4,638.47 and 900.45

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Solution

The fourth proportional to 3,092.01, 4,638.47 and 900.45 is: 1,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.01 : 4,638.47 = 900.45 : x
  2. Step 2: Convert to fraction form
    3,092.01/4,638.47 = 900.45/x
  3. Step 3: Cross multiply
    3,092.01x = 4,638.47 × 900.45
  4. Step 4: Simplify right side
    3,092.01x = 4,176,710.31
  5. Step 5: Solve for x
    x = 4,176,710.31/3,092.01
  6. Step 6: Final answer
    x = 1,350.81

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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.