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Finding the Fourth Proportional to 8,702,409.12, 12,009,698.33 and 4,834,930.41

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Solution

The fourth proportional to 8,702,409.12, 12,009,698.33 and 4,834,930.41 is: 6,672,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,409.12 : 12,009,698.33 = 4,834,930.41 : x
  2. Step 2: Convert to fraction form
    8,702,409.12/12,009,698.33 = 4,834,930.41/x
  3. Step 3: Cross multiply
    8,702,409.12x = 12,009,698.33 × 4,834,930.41
  4. Step 4: Simplify right side
    8,702,409.12x = 58,066,055,646,468.56
  5. Step 5: Solve for x
    x = 58,066,055,646,468.56/8,702,409.12
  6. Step 6: Final answer
    x = 6,672,411.61

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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.