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Finding the Fourth Proportional to 8,885,602.88, 13,328,404.32 and 2,154,016.88

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Solution

The fourth proportional to 8,885,602.88, 13,328,404.32 and 2,154,016.88 is: 3,231,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885,602.88 : 13,328,404.32 = 2,154,016.88 : x
  2. Step 2: Convert to fraction form
    8,885,602.88/13,328,404.32 = 2,154,016.88/x
  3. Step 3: Cross multiply
    8,885,602.88x = 13,328,404.32 × 2,154,016.88
  4. Step 4: Simplify right side
    8,885,602.88x = 28,709,607,811,332.82
  5. Step 5: Solve for x
    x = 28,709,607,811,332.82/8,885,602.88
  6. Step 6: Final answer
    x = 3,231,025.31

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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.