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Finding the Fourth Proportional to 7,205,444.22, 9,942,530.99 and 4,304,219.22

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Solution

The fourth proportional to 7,205,444.22, 9,942,530.99 and 4,304,219.22 is: 5,939,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,444.22 : 9,942,530.99 = 4,304,219.22 : x
  2. Step 2: Convert to fraction form
    7,205,444.22/9,942,530.99 = 4,304,219.22/x
  3. Step 3: Cross multiply
    7,205,444.22x = 9,942,530.99 × 4,304,219.22
  4. Step 4: Simplify right side
    7,205,444.22x = 42,794,832,961,082.52
  5. Step 5: Solve for x
    x = 42,794,832,961,082.52/7,205,444.22
  6. Step 6: Final answer
    x = 5,939,235.90

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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.