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Finding the Fourth Proportional to 63,570.49, 87,729.29 and 36,712.51

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Solution

The fourth proportional to 63,570.49, 87,729.29 and 36,712.51 is: 50,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570.49 : 87,729.29 = 36,712.51 : x
  2. Step 2: Convert to fraction form
    63,570.49/87,729.29 = 36,712.51/x
  3. Step 3: Cross multiply
    63,570.49x = 87,729.29 × 36,712.51
  4. Step 4: Simplify right side
    63,570.49x = 3,220,762,436.42
  5. Step 5: Solve for x
    x = 3,220,762,436.42/63,570.49
  6. Step 6: Final answer
    x = 50,664.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.