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Finding the Fourth Proportional to 3,357.72, 5,033.10 and 2,430.99

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Solution

The fourth proportional to 3,357.72, 5,033.10 and 2,430.99 is: 3,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.72 : 5,033.10 = 2,430.99 : x
  2. Step 2: Convert to fraction form
    3,357.72/5,033.10 = 2,430.99/x
  3. Step 3: Cross multiply
    3,357.72x = 5,033.10 × 2,430.99
  4. Step 4: Simplify right side
    3,357.72x = 12,235,415.77
  5. Step 5: Solve for x
    x = 12,235,415.77/3,357.72
  6. Step 6: Final answer
    x = 3,643.97

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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.