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Finding the Fourth Proportional to 56,484.56, 77,960.04 and 32,615.12

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Solution

The fourth proportional to 56,484.56, 77,960.04 and 32,615.12 is: 45,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,484.56 : 77,960.04 = 32,615.12 : x
  2. Step 2: Convert to fraction form
    56,484.56/77,960.04 = 32,615.12/x
  3. Step 3: Cross multiply
    56,484.56x = 77,960.04 × 32,615.12
  4. Step 4: Simplify right side
    56,484.56x = 2,542,676,059.80
  5. Step 5: Solve for x
    x = 2,542,676,059.80/56,484.56
  6. Step 6: Final answer
    x = 45,015.42

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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.