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Finding the Fourth Proportional to 57,681.75, 79,597.75 and 32,529.63

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Solution

The fourth proportional to 57,681.75, 79,597.75 and 32,529.63 is: 44,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681.75 : 79,597.75 = 32,529.63 : x
  2. Step 2: Convert to fraction form
    57,681.75/79,597.75 = 32,529.63/x
  3. Step 3: Cross multiply
    57,681.75x = 79,597.75 × 32,529.63
  4. Step 4: Simplify right side
    57,681.75x = 2,589,285,356.33
  5. Step 5: Solve for x
    x = 2,589,285,356.33/57,681.75
  6. Step 6: Final answer
    x = 44,889.16

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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.