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Finding the Fourth Proportional to 3,360.99, 5,040.93 and 896.10

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Solution

The fourth proportional to 3,360.99, 5,040.93 and 896.10 is: 1,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.99 : 5,040.93 = 896.10 : x
  2. Step 2: Convert to fraction form
    3,360.99/5,040.93 = 896.10/x
  3. Step 3: Cross multiply
    3,360.99x = 5,040.93 × 896.10
  4. Step 4: Simplify right side
    3,360.99x = 4,517,177.37
  5. Step 5: Solve for x
    x = 4,517,177.37/3,360.99
  6. Step 6: Final answer
    x = 1,344.00

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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.