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Finding the Fourth Proportional to 3,238.93, 4,858.40 and 899.52

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Solution

The fourth proportional to 3,238.93, 4,858.40 and 899.52 is: 1,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.93 : 4,858.40 = 899.52 : x
  2. Step 2: Convert to fraction form
    3,238.93/4,858.40 = 899.52/x
  3. Step 3: Cross multiply
    3,238.93x = 4,858.40 × 899.52
  4. Step 4: Simplify right side
    3,238.93x = 4,370,247.93
  5. Step 5: Solve for x
    x = 4,370,247.93/3,238.93
  6. Step 6: Final answer
    x = 1,349.29

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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.