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Finding the Fourth Proportional to 8,794,579.98, 12,139,909.79 and 8,551,888.59

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Solution

The fourth proportional to 8,794,579.98, 12,139,909.79 and 8,551,888.59 is: 11,804,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,579.98 : 12,139,909.79 = 8,551,888.59 : x
  2. Step 2: Convert to fraction form
    8,794,579.98/12,139,909.79 = 8,551,888.59/x
  3. Step 3: Cross multiply
    8,794,579.98x = 12,139,909.79 × 8,551,888.59
  4. Step 4: Simplify right side
    8,794,579.98x = 103,819,155,973,970.86
  5. Step 5: Solve for x
    x = 103,819,155,973,970.86/8,794,579.98
  6. Step 6: Final answer
    x = 11,804,902.13

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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.