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Finding the Fourth Proportional to 8,003,699.90, 12,007,784.64 and 3,214,752.32

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Solution

The fourth proportional to 8,003,699.90, 12,007,784.64 and 3,214,752.32 is: 4,823,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003,699.90 : 12,007,784.64 = 3,214,752.32 : x
  2. Step 2: Convert to fraction form
    8,003,699.90/12,007,784.64 = 3,214,752.32/x
  3. Step 3: Cross multiply
    8,003,699.90x = 12,007,784.64 × 3,214,752.32
  4. Step 4: Simplify right side
    8,003,699.90x = 38,602,053,529,500.37
  5. Step 5: Solve for x
    x = 38,602,053,529,500.37/8,003,699.90
  6. Step 6: Final answer
    x = 4,823,026.10

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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.