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Finding the Fourth Proportional to 8,671,224.80, 11,965,418.10 and 4,803,023.22

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Solution

The fourth proportional to 8,671,224.80, 11,965,418.10 and 4,803,023.22 is: 6,627,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,224.80 : 11,965,418.10 = 4,803,023.22 : x
  2. Step 2: Convert to fraction form
    8,671,224.80/11,965,418.10 = 4,803,023.22/x
  3. Step 3: Cross multiply
    8,671,224.80x = 11,965,418.10 × 4,803,023.22
  4. Step 4: Simplify right side
    8,671,224.80x = 57,470,180,971,308.27
  5. Step 5: Solve for x
    x = 57,470,180,971,308.27/8,671,224.80
  6. Step 6: Final answer
    x = 6,627,688.97

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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.