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Finding the Fourth Proportional to 5,578.84, 8,359.42 and 4,533.80

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Solution

The fourth proportional to 5,578.84, 8,359.42 and 4,533.80 is: 6,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.84 : 8,359.42 = 4,533.80 : x
  2. Step 2: Convert to fraction form
    5,578.84/8,359.42 = 4,533.80/x
  3. Step 3: Cross multiply
    5,578.84x = 8,359.42 × 4,533.80
  4. Step 4: Simplify right side
    5,578.84x = 37,899,938.40
  5. Step 5: Solve for x
    x = 37,899,938.40/5,578.84
  6. Step 6: Final answer
    x = 6,793.52

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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.