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Finding the Fourth Proportional to 35,369.52, 53,055.12 and 11,669.46

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Solution

The fourth proportional to 35,369.52, 53,055.12 and 11,669.46 is: 17,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.52 : 53,055.12 = 11,669.46 : x
  2. Step 2: Convert to fraction form
    35,369.52/53,055.12 = 11,669.46/x
  3. Step 3: Cross multiply
    35,369.52x = 53,055.12 × 11,669.46
  4. Step 4: Simplify right side
    35,369.52x = 619,124,600.64
  5. Step 5: Solve for x
    x = 619,124,600.64/35,369.52
  6. Step 6: Final answer
    x = 17,504.47

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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.