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Finding the Fourth Proportional to 8,699,889.52, 13,049,965.52 and 3,020,294.28

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Solution

The fourth proportional to 8,699,889.52, 13,049,965.52 and 3,020,294.28 is: 4,530,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699,889.52 : 13,049,965.52 = 3,020,294.28 : x
  2. Step 2: Convert to fraction form
    8,699,889.52/13,049,965.52 = 3,020,294.28/x
  3. Step 3: Cross multiply
    8,699,889.52x = 13,049,965.52 × 3,020,294.28
  4. Step 4: Simplify right side
    8,699,889.52x = 39,414,736,214,253.22
  5. Step 5: Solve for x
    x = 39,414,736,214,253.22/8,699,889.52
  6. Step 6: Final answer
    x = 4,530,486.98

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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.