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Finding the Fourth Proportional to 7,045.20, 9,730.34 and 4,803.22

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Solution

The fourth proportional to 7,045.20, 9,730.34 and 4,803.22 is: 6,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.20 : 9,730.34 = 4,803.22 : x
  2. Step 2: Convert to fraction form
    7,045.20/9,730.34 = 4,803.22/x
  3. Step 3: Cross multiply
    7,045.20x = 9,730.34 × 4,803.22
  4. Step 4: Simplify right side
    7,045.20x = 46,736,963.69
  5. Step 5: Solve for x
    x = 46,736,963.69/7,045.20
  6. Step 6: Final answer
    x = 6,633.87

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