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Finding the Fourth Proportional to 58,709.09, 87,952.91 and 45,496.88

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Solution

The fourth proportional to 58,709.09, 87,952.91 and 45,496.88 is: 68,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.09 : 87,952.91 = 45,496.88 : x
  2. Step 2: Convert to fraction form
    58,709.09/87,952.91 = 45,496.88/x
  3. Step 3: Cross multiply
    58,709.09x = 87,952.91 × 45,496.88
  4. Step 4: Simplify right side
    58,709.09x = 4,001,582,324.67
  5. Step 5: Solve for x
    x = 4,001,582,324.67/58,709.09
  6. Step 6: Final answer
    x = 68,159.51

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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.