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Finding the Fourth Proportional to 58,392.98, 80,582.30 and 31,535.49

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Solution

The fourth proportional to 58,392.98, 80,582.30 and 31,535.49 is: 43,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.98 : 80,582.30 = 31,535.49 : x
  2. Step 2: Convert to fraction form
    58,392.98/80,582.30 = 31,535.49/x
  3. Step 3: Cross multiply
    58,392.98x = 80,582.30 × 31,535.49
  4. Step 4: Simplify right side
    58,392.98x = 2,541,202,158.15
  5. Step 5: Solve for x
    x = 2,541,202,158.15/58,392.98
  6. Step 6: Final answer
    x = 43,518.97

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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.