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Finding the Fourth Proportional to 5,533.72, 7,623.18 and 4,649.56

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Solution

The fourth proportional to 5,533.72, 7,623.18 and 4,649.56 is: 6,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.72 : 7,623.18 = 4,649.56 : x
  2. Step 2: Convert to fraction form
    5,533.72/7,623.18 = 4,649.56/x
  3. Step 3: Cross multiply
    5,533.72x = 7,623.18 × 4,649.56
  4. Step 4: Simplify right side
    5,533.72x = 35,444,432.80
  5. Step 5: Solve for x
    x = 35,444,432.80/5,533.72
  6. Step 6: Final answer
    x = 6,405.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.