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Finding the Fourth Proportional to 5,875.28, 8,813.20 and 3,276.24

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Solution

The fourth proportional to 5,875.28, 8,813.20 and 3,276.24 is: 4,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.28 : 8,813.20 = 3,276.24 : x
  2. Step 2: Convert to fraction form
    5,875.28/8,813.20 = 3,276.24/x
  3. Step 3: Cross multiply
    5,875.28x = 8,813.20 × 3,276.24
  4. Step 4: Simplify right side
    5,875.28x = 28,874,158.37
  5. Step 5: Solve for x
    x = 28,874,158.37/5,875.28
  6. Step 6: Final answer
    x = 4,914.52

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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.