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Finding the Fourth Proportional to 35,264.70, 52,897.05 and 11,890.80

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Solution

The fourth proportional to 35,264.70, 52,897.05 and 11,890.80 is: 17,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,264.70 : 52,897.05 = 11,890.80 : x
  2. Step 2: Convert to fraction form
    35,264.70/52,897.05 = 11,890.80/x
  3. Step 3: Cross multiply
    35,264.70x = 52,897.05 × 11,890.80
  4. Step 4: Simplify right side
    35,264.70x = 628,988,242.14
  5. Step 5: Solve for x
    x = 628,988,242.14/35,264.70
  6. Step 6: Final answer
    x = 17,836.20

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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.