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Finding the Fourth Proportional to 7,041.20, 9,724.83 and 4,799.22

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Solution

The fourth proportional to 7,041.20, 9,724.83 and 4,799.22 is: 6,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.20 : 9,724.83 = 4,799.22 : x
  2. Step 2: Convert to fraction form
    7,041.20/9,724.83 = 4,799.22/x
  3. Step 3: Cross multiply
    7,041.20x = 9,724.83 × 4,799.22
  4. Step 4: Simplify right side
    7,041.20x = 46,671,544.17
  5. Step 5: Solve for x
    x = 46,671,544.17/7,041.20
  6. Step 6: Final answer
    x = 6,628.36

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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.