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Finding the Fourth Proportional to 56,124.64, 77,427.56 and 36,979.86

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Solution

The fourth proportional to 56,124.64, 77,427.56 and 36,979.86 is: 51,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.64 : 77,427.56 = 36,979.86 : x
  2. Step 2: Convert to fraction form
    56,124.64/77,427.56 = 36,979.86/x
  3. Step 3: Cross multiply
    56,124.64x = 77,427.56 × 36,979.86
  4. Step 4: Simplify right side
    56,124.64x = 2,863,260,328.94
  5. Step 5: Solve for x
    x = 2,863,260,328.94/56,124.64
  6. Step 6: Final answer
    x = 51,016.10

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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.