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Finding the Fourth Proportional to 2,525.35, 3,788.53 and 881.45

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Solution

The fourth proportional to 2,525.35, 3,788.53 and 881.45 is: 1,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.35 : 3,788.53 = 881.45 : x
  2. Step 2: Convert to fraction form
    2,525.35/3,788.53 = 881.45/x
  3. Step 3: Cross multiply
    2,525.35x = 3,788.53 × 881.45
  4. Step 4: Simplify right side
    2,525.35x = 3,339,399.77
  5. Step 5: Solve for x
    x = 3,339,399.77/2,525.35
  6. Step 6: Final answer
    x = 1,322.35

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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.