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Finding the Fourth Proportional to 7,588,978.59, 11,384,265.35 and 2,471,806.95

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Solution

The fourth proportional to 7,588,978.59, 11,384,265.35 and 2,471,806.95 is: 3,707,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588,978.59 : 11,384,265.35 = 2,471,806.95 : x
  2. Step 2: Convert to fraction form
    7,588,978.59/11,384,265.35 = 2,471,806.95/x
  3. Step 3: Cross multiply
    7,588,978.59x = 11,384,265.35 × 2,471,806.95
  4. Step 4: Simplify right side
    7,588,978.59x = 28,139,706,212,774.18
  5. Step 5: Solve for x
    x = 28,139,706,212,774.18/7,588,978.59
  6. Step 6: Final answer
    x = 3,707,970.17

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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.