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Finding the Fourth Proportional to 8,663,454.63, 11,951,814.48 and 5,223,784.77

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Solution

The fourth proportional to 8,663,454.63, 11,951,814.48 and 5,223,784.77 is: 7,206,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,454.63 : 11,951,814.48 = 5,223,784.77 : x
  2. Step 2: Convert to fraction form
    8,663,454.63/11,951,814.48 = 5,223,784.77/x
  3. Step 3: Cross multiply
    8,663,454.63x = 11,951,814.48 × 5,223,784.77
  4. Step 4: Simplify right side
    8,663,454.63x = 62,433,706,454,489.47
  5. Step 5: Solve for x
    x = 62,433,706,454,489.47/8,663,454.63
  6. Step 6: Final answer
    x = 7,206,560.10

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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.