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Finding the Fourth Proportional to 58,699.70, 81,000.66 and 33,204.76

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Solution

The fourth proportional to 58,699.70, 81,000.66 and 33,204.76 is: 45,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,699.70 : 81,000.66 = 33,204.76 : x
  2. Step 2: Convert to fraction form
    58,699.70/81,000.66 = 33,204.76/x
  3. Step 3: Cross multiply
    58,699.70x = 81,000.66 × 33,204.76
  4. Step 4: Simplify right side
    58,699.70x = 2,689,607,475.14
  5. Step 5: Solve for x
    x = 2,689,607,475.14/58,699.70
  6. Step 6: Final answer
    x = 45,819.78

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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.