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Finding the Fourth Proportional to 8,955,600.72, 12,366,480.22 and 8,495,913.16

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Solution

The fourth proportional to 8,955,600.72, 12,366,480.22 and 8,495,913.16 is: 11,731,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,600.72 : 12,366,480.22 = 8,495,913.16 : x
  2. Step 2: Convert to fraction form
    8,955,600.72/12,366,480.22 = 8,495,913.16/x
  3. Step 3: Cross multiply
    8,955,600.72x = 12,366,480.22 × 8,495,913.16
  4. Step 4: Simplify right side
    8,955,600.72x = 105,064,542,043,977.70
  5. Step 5: Solve for x
    x = 105,064,542,043,977.70/8,955,600.72
  6. Step 6: Final answer
    x = 11,731,713.52

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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.