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Finding the Fourth Proportional to 35,663.97, 53,489.48 and 10,698.15

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Solution

The fourth proportional to 35,663.97, 53,489.48 and 10,698.15 is: 16,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.97 : 53,489.48 = 10,698.15 : x
  2. Step 2: Convert to fraction form
    35,663.97/53,489.48 = 10,698.15/x
  3. Step 3: Cross multiply
    35,663.97x = 53,489.48 × 10,698.15
  4. Step 4: Simplify right side
    35,663.97x = 572,238,426.97
  5. Step 5: Solve for x
    x = 572,238,426.97/35,663.97
  6. Step 6: Final answer
    x = 16,045.28

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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.