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Finding the Fourth Proportional to 35,536.40, 53,304.60 and 20,737.70

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Solution

The fourth proportional to 35,536.40, 53,304.60 and 20,737.70 is: 31,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,536.40 : 53,304.60 = 20,737.70 : x
  2. Step 2: Convert to fraction form
    35,536.40/53,304.60 = 20,737.70/x
  3. Step 3: Cross multiply
    35,536.40x = 53,304.60 × 20,737.70
  4. Step 4: Simplify right side
    35,536.40x = 1,105,414,803.42
  5. Step 5: Solve for x
    x = 1,105,414,803.42/35,536.40
  6. Step 6: Final answer
    x = 31,106.55

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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.