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Finding the Fourth Proportional to 2,865.96, 4,299.72 and 1,017.48

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Solution

The fourth proportional to 2,865.96, 4,299.72 and 1,017.48 is: 1,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.96 : 4,299.72 = 1,017.48 : x
  2. Step 2: Convert to fraction form
    2,865.96/4,299.72 = 1,017.48/x
  3. Step 3: Cross multiply
    2,865.96x = 4,299.72 × 1,017.48
  4. Step 4: Simplify right side
    2,865.96x = 4,374,879.11
  5. Step 5: Solve for x
    x = 4,374,879.11/2,865.96
  6. Step 6: Final answer
    x = 1,526.50

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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.