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Finding the Fourth Proportional to 2,851.52, 4,277.73 and 903.57

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Solution

The fourth proportional to 2,851.52, 4,277.73 and 903.57 is: 1,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.52 : 4,277.73 = 903.57 : x
  2. Step 2: Convert to fraction form
    2,851.52/4,277.73 = 903.57/x
  3. Step 3: Cross multiply
    2,851.52x = 4,277.73 × 903.57
  4. Step 4: Simplify right side
    2,851.52x = 3,865,228.50
  5. Step 5: Solve for x
    x = 3,865,228.50/2,851.52
  6. Step 6: Final answer
    x = 1,355.50

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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.