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Finding the Fourth Proportional to 5,388.24, 8,041.06 and 5,322.96

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Solution

The fourth proportional to 5,388.24, 8,041.06 and 5,322.96 is: 7,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.24 : 8,041.06 = 5,322.96 : x
  2. Step 2: Convert to fraction form
    5,388.24/8,041.06 = 5,322.96/x
  3. Step 3: Cross multiply
    5,388.24x = 8,041.06 × 5,322.96
  4. Step 4: Simplify right side
    5,388.24x = 42,802,240.74
  5. Step 5: Solve for x
    x = 42,802,240.74/5,388.24
  6. Step 6: Final answer
    x = 7,943.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.