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Finding the Fourth Proportional to 8,796,664.91, 12,132,200.38 and 6,191,792.09

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Solution

The fourth proportional to 8,796,664.91, 12,132,200.38 and 6,191,792.09 is: 8,539,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,664.91 : 12,132,200.38 = 6,191,792.09 : x
  2. Step 2: Convert to fraction form
    8,796,664.91/12,132,200.38 = 6,191,792.09/x
  3. Step 3: Cross multiply
    8,796,664.91x = 12,132,200.38 × 6,191,792.09
  4. Step 4: Simplify right side
    8,796,664.91x = 75,120,062,347,179
  5. Step 5: Solve for x
    x = 75,120,062,347,179/8,796,664.91
  6. Step 6: Final answer
    x = 8,539,607.13

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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.