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Finding the Fourth Proportional to 9,361,215.20, 13,123,396 and 9,361,215.20

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Solution

The fourth proportional to 9,361,215.20, 13,123,396 and 9,361,215.20 is: 13,123,396

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,215.20 : 13,123,396 = 9,361,215.20 : x
  2. Step 2: Convert to fraction form
    9,361,215.20/13,123,396 = 9,361,215.20/x
  3. Step 3: Cross multiply
    9,361,215.20x = 13,123,396 × 9,361,215.20
  4. Step 4: Simplify right side
    9,361,215.20x = 122,850,934,110,819.19
  5. Step 5: Solve for x
    x = 122,850,934,110,819.19/9,361,215.20
  6. Step 6: Final answer
    x = 13,123,396

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1.5x scale

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.