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Finding the Fourth Proportional to 4,525.74, 6,788.07 and 1,239.12

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Solution

The fourth proportional to 4,525.74, 6,788.07 and 1,239.12 is: 1,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.74 : 6,788.07 = 1,239.12 : x
  2. Step 2: Convert to fraction form
    4,525.74/6,788.07 = 1,239.12/x
  3. Step 3: Cross multiply
    4,525.74x = 6,788.07 × 1,239.12
  4. Step 4: Simplify right side
    4,525.74x = 8,411,233.30
  5. Step 5: Solve for x
    x = 8,411,233.30/4,525.74
  6. Step 6: Final answer
    x = 1,858.53

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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.