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Finding the Fourth Proportional to 58,709.84, 87,954.03 and 45,497.62

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Solution

The fourth proportional to 58,709.84, 87,954.03 and 45,497.62 is: 68,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.84 : 87,954.03 = 45,497.62 : x
  2. Step 2: Convert to fraction form
    58,709.84/87,954.03 = 45,497.62/x
  3. Step 3: Cross multiply
    58,709.84x = 87,954.03 × 45,497.62
  4. Step 4: Simplify right side
    58,709.84x = 4,001,699,144.35
  5. Step 5: Solve for x
    x = 4,001,699,144.35/58,709.84
  6. Step 6: Final answer
    x = 68,160.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.