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Finding the Fourth Proportional to 13,069,383.30, 18,316,032.30 and 13,069,383.30

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Solution

The fourth proportional to 13,069,383.30, 18,316,032.30 and 13,069,383.30 is: 18,316,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,383.30 : 18,316,032.30 = 13,069,383.30 : x
  2. Step 2: Convert to fraction form
    13,069,383.30/18,316,032.30 = 13,069,383.30/x
  3. Step 3: Cross multiply
    13,069,383.30x = 18,316,032.30 × 13,069,383.30
  4. Step 4: Simplify right side
    13,069,383.30x = 239,379,246,663,880.62
  5. Step 5: Solve for x
    x = 239,379,246,663,880.62/13,069,383.30
  6. Step 6: Final answer
    x = 18,316,032.30

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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.