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Finding the Fourth Proportional to 10,495,556.55, 15,743,334.83 and 10,495,556.55

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Solution

The fourth proportional to 10,495,556.55, 15,743,334.83 and 10,495,556.55 is: 15,743,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495,556.55 : 15,743,334.83 = 10,495,556.55 : x
  2. Step 2: Convert to fraction form
    10,495,556.55/15,743,334.83 = 10,495,556.55/x
  3. Step 3: Cross multiply
    10,495,556.55x = 15,743,334.83 × 10,495,556.55
  4. Step 4: Simplify right side
    10,495,556.55x = 165,235,060,941,371.84
  5. Step 5: Solve for x
    x = 165,235,060,941,371.84/10,495,556.55
  6. Step 6: Final answer
    x = 15,743,334.83

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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.