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Finding the Fourth Proportional to 5,592.80, 8,374.80 and 4,440.80

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Solution

The fourth proportional to 5,592.80, 8,374.80 and 4,440.80 is: 6,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.80 : 8,374.80 = 4,440.80 : x
  2. Step 2: Convert to fraction form
    5,592.80/8,374.80 = 4,440.80/x
  3. Step 3: Cross multiply
    5,592.80x = 8,374.80 × 4,440.80
  4. Step 4: Simplify right side
    5,592.80x = 37,190,811.84
  5. Step 5: Solve for x
    x = 37,190,811.84/5,592.80
  6. Step 6: Final answer
    x = 6,649.77

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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.