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Finding the Fourth Proportional to 10,652,023.70, 15,978,035.55 and 8,880,553.70

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Solution

The fourth proportional to 10,652,023.70, 15,978,035.55 and 8,880,553.70 is: 13,320,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,023.70 : 15,978,035.55 = 8,880,553.70 : x
  2. Step 2: Convert to fraction form
    10,652,023.70/15,978,035.55 = 8,880,553.70/x
  3. Step 3: Cross multiply
    10,652,023.70x = 15,978,035.55 × 8,880,553.70
  4. Step 4: Simplify right side
    10,652,023.70x = 141,893,802,722,284.03
  5. Step 5: Solve for x
    x = 141,893,802,722,284.03/10,652,023.70
  6. Step 6: Final answer
    x = 13,320,830.55

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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.