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Finding the Fourth Proportional to 58,533.67, 87,802.96 and 18,551.78

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Solution

The fourth proportional to 58,533.67, 87,802.96 and 18,551.78 is: 27,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.67 : 87,802.96 = 18,551.78 : x
  2. Step 2: Convert to fraction form
    58,533.67/87,802.96 = 18,551.78/x
  3. Step 3: Cross multiply
    58,533.67x = 87,802.96 × 18,551.78
  4. Step 4: Simplify right side
    58,533.67x = 1,628,901,197.27
  5. Step 5: Solve for x
    x = 1,628,901,197.27/58,533.67
  6. Step 6: Final answer
    x = 27,828.45

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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.