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Finding the Fourth Proportional to 9,074,868.90, 12,714,264.30 and 9,074,868.90

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Solution

The fourth proportional to 9,074,868.90, 12,714,264.30 and 9,074,868.90 is: 12,714,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074,868.90 : 12,714,264.30 = 9,074,868.90 : x
  2. Step 2: Convert to fraction form
    9,074,868.90/12,714,264.30 = 9,074,868.90/x
  3. Step 3: Cross multiply
    9,074,868.90x = 12,714,264.30 × 9,074,868.90
  4. Step 4: Simplify right side
    9,074,868.90x = 115,380,281,682,450.28
  5. Step 5: Solve for x
    x = 115,380,281,682,450.28/9,074,868.90
  6. Step 6: Final answer
    x = 12,714,264.30

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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.