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Finding the Fourth Proportional to 58,614.52, 80,887.80 and 31,756.98

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Solution

The fourth proportional to 58,614.52, 80,887.80 and 31,756.98 is: 43,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,614.52 : 80,887.80 = 31,756.98 : x
  2. Step 2: Convert to fraction form
    58,614.52/80,887.80 = 31,756.98/x
  3. Step 3: Cross multiply
    58,614.52x = 80,887.80 × 31,756.98
  4. Step 4: Simplify right side
    58,614.52x = 2,568,752,246.84
  5. Step 5: Solve for x
    x = 2,568,752,246.84/58,614.52
  6. Step 6: Final answer
    x = 43,824.50

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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.