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Finding the Fourth Proportional to 35,641.63, 53,480.87 and 15,665.14

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Solution

The fourth proportional to 35,641.63, 53,480.87 and 15,665.14 is: 23,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.63 : 53,480.87 = 15,665.14 : x
  2. Step 2: Convert to fraction form
    35,641.63/53,480.87 = 15,665.14/x
  3. Step 3: Cross multiply
    35,641.63x = 53,480.87 × 15,665.14
  4. Step 4: Simplify right side
    35,641.63x = 837,785,103.84
  5. Step 5: Solve for x
    x = 837,785,103.84/35,641.63
  6. Step 6: Final answer
    x = 23,505.80

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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.