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Finding the Fourth Proportional to 58,809.93, 81,156.70 and 31,952.86

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Solution

The fourth proportional to 58,809.93, 81,156.70 and 31,952.86 is: 44,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.93 : 81,156.70 = 31,952.86 : x
  2. Step 2: Convert to fraction form
    58,809.93/81,156.70 = 31,952.86/x
  3. Step 3: Cross multiply
    58,809.93x = 81,156.70 × 31,952.86
  4. Step 4: Simplify right side
    58,809.93x = 2,593,188,510.21
  5. Step 5: Solve for x
    x = 2,593,188,510.21/58,809.93
  6. Step 6: Final answer
    x = 44,094.40

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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.