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Finding the Fourth Proportional to 8,713,504.81, 12,024,968.40 and 4,846,305.61

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Solution

The fourth proportional to 8,713,504.81, 12,024,968.40 and 4,846,305.61 is: 6,688,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,504.81 : 12,024,968.40 = 4,846,305.61 : x
  2. Step 2: Convert to fraction form
    8,713,504.81/12,024,968.40 = 4,846,305.61/x
  3. Step 3: Cross multiply
    8,713,504.81x = 12,024,968.40 × 4,846,305.61
  4. Step 4: Simplify right side
    8,713,504.81x = 58,276,671,816,992.73
  5. Step 5: Solve for x
    x = 58,276,671,816,992.73/8,713,504.81
  6. Step 6: Final answer
    x = 6,688,086.26

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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.