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Finding the Fourth Proportional to 35,387.36, 53,081.04 and 9,092.10

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Solution

The fourth proportional to 35,387.36, 53,081.04 and 9,092.10 is: 13,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.36 : 53,081.04 = 9,092.10 : x
  2. Step 2: Convert to fraction form
    35,387.36/53,081.04 = 9,092.10/x
  3. Step 3: Cross multiply
    35,387.36x = 53,081.04 × 9,092.10
  4. Step 4: Simplify right side
    35,387.36x = 482,617,890.63
  5. Step 5: Solve for x
    x = 482,617,890.63/35,387.36
  6. Step 6: Final answer
    x = 13,638.15

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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.