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Finding the Fourth Proportional to 56,297.79, 77,666.79 and 32,419.41

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Solution

The fourth proportional to 56,297.79, 77,666.79 and 32,419.41 is: 44,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,297.79 : 77,666.79 = 32,419.41 : x
  2. Step 2: Convert to fraction form
    56,297.79/77,666.79 = 32,419.41/x
  3. Step 3: Cross multiply
    56,297.79x = 77,666.79 × 32,419.41
  4. Step 4: Simplify right side
    56,297.79x = 2,517,911,508.39
  5. Step 5: Solve for x
    x = 2,517,911,508.39/56,297.79
  6. Step 6: Final answer
    x = 44,724.87

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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.