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Finding the Fourth Proportional to 6,363,864.28, 8,783,983.30 and 4,159,058.77

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Solution

The fourth proportional to 6,363,864.28, 8,783,983.30 and 4,159,058.77 is: 5,740,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363,864.28 : 8,783,983.30 = 4,159,058.77 : x
  2. Step 2: Convert to fraction form
    6,363,864.28/8,783,983.30 = 4,159,058.77/x
  3. Step 3: Cross multiply
    6,363,864.28x = 8,783,983.30 × 4,159,058.77
  4. Step 4: Simplify right side
    6,363,864.28x = 36,533,102,758,603.25
  5. Step 5: Solve for x
    x = 36,533,102,758,603.25/6,363,864.28
  6. Step 6: Final answer
    x = 5,740,710.54

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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.