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Finding the Fourth Proportional to 58,646.62, 87,969.66 and 14,273.20

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Solution

The fourth proportional to 58,646.62, 87,969.66 and 14,273.20 is: 21,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.62 : 87,969.66 = 14,273.20 : x
  2. Step 2: Convert to fraction form
    58,646.62/87,969.66 = 14,273.20/x
  3. Step 3: Cross multiply
    58,646.62x = 87,969.66 × 14,273.20
  4. Step 4: Simplify right side
    58,646.62x = 1,255,608,551.11
  5. Step 5: Solve for x
    x = 1,255,608,551.11/58,646.62
  6. Step 6: Final answer
    x = 21,409.73

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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.