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Finding the Fourth Proportional to 58,805.70, 81,152.28 and 31,948.44

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Solution

The fourth proportional to 58,805.70, 81,152.28 and 31,948.44 is: 44,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,805.70 : 81,152.28 = 31,948.44 : x
  2. Step 2: Convert to fraction form
    58,805.70/81,152.28 = 31,948.44/x
  3. Step 3: Cross multiply
    58,805.70x = 81,152.28 × 31,948.44
  4. Step 4: Simplify right side
    58,805.70x = 2,592,688,748.44
  5. Step 5: Solve for x
    x = 2,592,688,748.44/58,805.70
  6. Step 6: Final answer
    x = 44,089.07

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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.