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Finding the Fourth Proportional to 58,991.66, 88,500.66 and 21,551.72

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Solution

The fourth proportional to 58,991.66, 88,500.66 and 21,551.72 is: 32,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.66 : 88,500.66 = 21,551.72 : x
  2. Step 2: Convert to fraction form
    58,991.66/88,500.66 = 21,551.72/x
  3. Step 3: Cross multiply
    58,991.66x = 88,500.66 × 21,551.72
  4. Step 4: Simplify right side
    58,991.66x = 1,907,341,444.14
  5. Step 5: Solve for x
    x = 1,907,341,444.14/58,991.66
  6. Step 6: Final answer
    x = 32,332.39

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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.