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Finding the Fourth Proportional to 35,499.49, 53,221.17 and 17,721.02

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Solution

The fourth proportional to 35,499.49, 53,221.17 and 17,721.02 is: 26,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,499.49 : 53,221.17 = 17,721.02 : x
  2. Step 2: Convert to fraction form
    35,499.49/53,221.17 = 17,721.02/x
  3. Step 3: Cross multiply
    35,499.49x = 53,221.17 × 17,721.02
  4. Step 4: Simplify right side
    35,499.49x = 943,133,417.99
  5. Step 5: Solve for x
    x = 943,133,417.99/35,499.49
  6. Step 6: Final answer
    x = 26,567.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.