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Finding the Fourth Proportional to 35,383.52, 53,075.81 and 9,087.68

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Solution

The fourth proportional to 35,383.52, 53,075.81 and 9,087.68 is: 13,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.52 : 53,075.81 = 9,087.68 : x
  2. Step 2: Convert to fraction form
    35,383.52/53,075.81 = 9,087.68/x
  3. Step 3: Cross multiply
    35,383.52x = 53,075.81 × 9,087.68
  4. Step 4: Simplify right side
    35,383.52x = 482,335,666.20
  5. Step 5: Solve for x
    x = 482,335,666.20/35,383.52
  6. Step 6: Final answer
    x = 13,631.65

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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.