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Finding the Fourth Proportional to 5,887.28, 8,830.86 and 1,783.28

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Solution

The fourth proportional to 5,887.28, 8,830.86 and 1,783.28 is: 2,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.28 : 8,830.86 = 1,783.28 : x
  2. Step 2: Convert to fraction form
    5,887.28/8,830.86 = 1,783.28/x
  3. Step 3: Cross multiply
    5,887.28x = 8,830.86 × 1,783.28
  4. Step 4: Simplify right side
    5,887.28x = 15,747,896.02
  5. Step 5: Solve for x
    x = 15,747,896.02/5,887.28
  6. Step 6: Final answer
    x = 2,674.90

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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.