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Finding the Fourth Proportional to 35,352.77, 53,017.87 and 11,655.90

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Solution

The fourth proportional to 35,352.77, 53,017.87 and 11,655.90 is: 17,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.77 : 53,017.87 = 11,655.90 : x
  2. Step 2: Convert to fraction form
    35,352.77/53,017.87 = 11,655.90/x
  3. Step 3: Cross multiply
    35,352.77x = 53,017.87 × 11,655.90
  4. Step 4: Simplify right side
    35,352.77x = 617,970,990.93
  5. Step 5: Solve for x
    x = 617,970,990.93/35,352.77
  6. Step 6: Final answer
    x = 17,480.13

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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.