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Finding the Fourth Proportional to 62,142.38, 85,736.03 and 36,294.99

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Solution

The fourth proportional to 62,142.38, 85,736.03 and 36,294.99 is: 50,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,142.38 : 85,736.03 = 36,294.99 : x
  2. Step 2: Convert to fraction form
    62,142.38/85,736.03 = 36,294.99/x
  3. Step 3: Cross multiply
    62,142.38x = 85,736.03 × 36,294.99
  4. Step 4: Simplify right side
    62,142.38x = 3,111,788,351.49
  5. Step 5: Solve for x
    x = 3,111,788,351.49/62,142.38
  6. Step 6: Final answer
    x = 50,075.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.