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Finding the Fourth Proportional to 58,331.50, 80,497.47 and 31,835.50

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Solution

The fourth proportional to 58,331.50, 80,497.47 and 31,835.50 is: 43,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.50 : 80,497.47 = 31,835.50 : x
  2. Step 2: Convert to fraction form
    58,331.50/80,497.47 = 31,835.50/x
  3. Step 3: Cross multiply
    58,331.50x = 80,497.47 × 31,835.50
  4. Step 4: Simplify right side
    58,331.50x = 2,562,677,206.19
  5. Step 5: Solve for x
    x = 2,562,677,206.19/58,331.50
  6. Step 6: Final answer
    x = 43,932.99

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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.