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Finding the Fourth Proportional to 58,403.52, 80,596.80 and 31,546.02

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Solution

The fourth proportional to 58,403.52, 80,596.80 and 31,546.02 is: 43,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.52 : 80,596.80 = 31,546.02 : x
  2. Step 2: Convert to fraction form
    58,403.52/80,596.80 = 31,546.02/x
  3. Step 3: Cross multiply
    58,403.52x = 80,596.80 × 31,546.02
  4. Step 4: Simplify right side
    58,403.52x = 2,542,508,264.74
  5. Step 5: Solve for x
    x = 2,542,508,264.74/58,403.52
  6. Step 6: Final answer
    x = 43,533.48

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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.