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Finding the Fourth Proportional to 60,570.57, 90,871.04 and 35,631.48

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Solution

The fourth proportional to 60,570.57, 90,871.04 and 35,631.48 is: 53,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,570.57 : 90,871.04 = 35,631.48 : x
  2. Step 2: Convert to fraction form
    60,570.57/90,871.04 = 35,631.48/x
  3. Step 3: Cross multiply
    60,570.57x = 90,871.04 × 35,631.48
  4. Step 4: Simplify right side
    60,570.57x = 3,237,869,644.34
  5. Step 5: Solve for x
    x = 3,237,869,644.34/60,570.57
  6. Step 6: Final answer
    x = 53,456.15

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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.