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Finding the Fourth Proportional to 58,055.59, 86,856.58 and 50,979.43

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Solution

The fourth proportional to 58,055.59, 86,856.58 and 50,979.43 is: 76,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,055.59 : 86,856.58 = 50,979.43 : x
  2. Step 2: Convert to fraction form
    58,055.59/86,856.58 = 50,979.43/x
  3. Step 3: Cross multiply
    58,055.59x = 86,856.58 × 50,979.43
  4. Step 4: Simplify right side
    58,055.59x = 4,427,898,940.15
  5. Step 5: Solve for x
    x = 4,427,898,940.15/58,055.59
  6. Step 6: Final answer
    x = 76,269.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.