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Finding the Fourth Proportional to 35,394.09, 53,036.04 and 13,201.50

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Solution

The fourth proportional to 35,394.09, 53,036.04 and 13,201.50 is: 19,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.09 : 53,036.04 = 13,201.50 : x
  2. Step 2: Convert to fraction form
    35,394.09/53,036.04 = 13,201.50/x
  3. Step 3: Cross multiply
    35,394.09x = 53,036.04 × 13,201.50
  4. Step 4: Simplify right side
    35,394.09x = 700,155,282.06
  5. Step 5: Solve for x
    x = 700,155,282.06/35,394.09
  6. Step 6: Final answer
    x = 19,781.70

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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.