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Finding the Fourth Proportional to 35,254.80, 52,882.20 and 11,878.80

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Solution

The fourth proportional to 35,254.80, 52,882.20 and 11,878.80 is: 17,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,254.80 : 52,882.20 = 11,878.80 : x
  2. Step 2: Convert to fraction form
    35,254.80/52,882.20 = 11,878.80/x
  3. Step 3: Cross multiply
    35,254.80x = 52,882.20 × 11,878.80
  4. Step 4: Simplify right side
    35,254.80x = 628,177,077.36
  5. Step 5: Solve for x
    x = 628,177,077.36/35,254.80
  6. Step 6: Final answer
    x = 17,818.20

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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.