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Finding the Fourth Proportional to 35,420.80, 53,131.20 and 24,923.20

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Solution

The fourth proportional to 35,420.80, 53,131.20 and 24,923.20 is: 37,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.80 : 53,131.20 = 24,923.20 : x
  2. Step 2: Convert to fraction form
    35,420.80/53,131.20 = 24,923.20/x
  3. Step 3: Cross multiply
    35,420.80x = 53,131.20 × 24,923.20
  4. Step 4: Simplify right side
    35,420.80x = 1,324,199,523.84
  5. Step 5: Solve for x
    x = 1,324,199,523.84/35,420.80
  6. Step 6: Final answer
    x = 37,384.80

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1.5x scale

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.