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Finding the Fourth Proportional to 18,794,328.10, 26,255,372.30 and 18,794,328.10

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Solution

The fourth proportional to 18,794,328.10, 26,255,372.30 and 18,794,328.10 is: 26,255,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,328.10 : 26,255,372.30 = 18,794,328.10 : x
  2. Step 2: Convert to fraction form
    18,794,328.10/26,255,372.30 = 18,794,328.10/x
  3. Step 3: Cross multiply
    18,794,328.10x = 26,255,372.30 × 18,794,328.10
  4. Step 4: Simplify right side
    18,794,328.10x = 493,452,081,393,851.69
  5. Step 5: Solve for x
    x = 493,452,081,393,851.69/18,794,328.10
  6. Step 6: Final answer
    x = 26,255,372.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.