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Finding the Fourth Proportional to 35,686.80, 53,472.60 and 22,515.60

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Solution

The fourth proportional to 35,686.80, 53,472.60 and 22,515.60 is: 33,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.80 : 53,472.60 = 22,515.60 : x
  2. Step 2: Convert to fraction form
    35,686.80/53,472.60 = 22,515.60/x
  3. Step 3: Cross multiply
    35,686.80x = 53,472.60 × 22,515.60
  4. Step 4: Simplify right side
    35,686.80x = 1,203,967,672.56
  5. Step 5: Solve for x
    x = 1,203,967,672.56/35,686.80
  6. Step 6: Final answer
    x = 33,737.06

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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.