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Finding the Fourth Proportional to 35,241.80, 52,862.70 and 30,864.20

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Solution

The fourth proportional to 35,241.80, 52,862.70 and 30,864.20 is: 46,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,241.80 : 52,862.70 = 30,864.20 : x
  2. Step 2: Convert to fraction form
    35,241.80/52,862.70 = 30,864.20/x
  3. Step 3: Cross multiply
    35,241.80x = 52,862.70 × 30,864.20
  4. Step 4: Simplify right side
    35,241.80x = 1,631,564,945.34
  5. Step 5: Solve for x
    x = 1,631,564,945.34/35,241.80
  6. Step 6: Final answer
    x = 46,296.30

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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.