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Finding the Fourth Proportional to 4,400.04, 6,600 and 1,477.92

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Solution

The fourth proportional to 4,400.04, 6,600 and 1,477.92 is: 2,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.04 : 6,600 = 1,477.92 : x
  2. Step 2: Convert to fraction form
    4,400.04/6,600 = 1,477.92/x
  3. Step 3: Cross multiply
    4,400.04x = 6,600 × 1,477.92
  4. Step 4: Simplify right side
    4,400.04x = 9,754,272
  5. Step 5: Solve for x
    x = 9,754,272/4,400.04
  6. Step 6: Final answer
    x = 2,216.86

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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.