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Finding the Fourth Proportional to 56,489.76, 77,923.49 and 35,232.12

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Solution

The fourth proportional to 56,489.76, 77,923.49 and 35,232.12 is: 48,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.76 : 77,923.49 = 35,232.12 : x
  2. Step 2: Convert to fraction form
    56,489.76/77,923.49 = 35,232.12/x
  3. Step 3: Cross multiply
    56,489.76x = 77,923.49 × 35,232.12
  4. Step 4: Simplify right side
    56,489.76x = 2,745,409,750.50
  5. Step 5: Solve for x
    x = 2,745,409,750.50/56,489.76
  6. Step 6: Final answer
    x = 48,600.13

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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.