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Finding the Fourth Proportional to 8,562,662.89, 12,846,849.52 and 5,695,333.66

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Solution

The fourth proportional to 8,562,662.89, 12,846,849.52 and 5,695,333.66 is: 8,544,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562,662.89 : 12,846,849.52 = 5,695,333.66 : x
  2. Step 2: Convert to fraction form
    8,562,662.89/12,846,849.52 = 5,695,333.66/x
  3. Step 3: Cross multiply
    8,562,662.89x = 12,846,849.52 × 5,695,333.66
  4. Step 4: Simplify right side
    8,562,662.89x = 73,167,094,496,210.84
  5. Step 5: Solve for x
    x = 73,167,094,496,210.84/8,562,662.89
  6. Step 6: Final answer
    x = 8,544,899.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.