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Finding the Fourth Proportional to 22,034,319.60, 30,879,933.90 and 22,034,319.60

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Solution

The fourth proportional to 22,034,319.60, 30,879,933.90 and 22,034,319.60 is: 30,879,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034,319.60 : 30,879,933.90 = 22,034,319.60 : x
  2. Step 2: Convert to fraction form
    22,034,319.60/30,879,933.90 = 22,034,319.60/x
  3. Step 3: Cross multiply
    22,034,319.60x = 30,879,933.90 × 22,034,319.60
  4. Step 4: Simplify right side
    22,034,319.60x = 680,418,332,779,474.50
  5. Step 5: Solve for x
    x = 680,418,332,779,474.50/22,034,319.60
  6. Step 6: Final answer
    x = 30,879,933.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.