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Finding the Fourth Proportional to 58,165.44, 87,287.04 and 21,229.44

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Solution

The fourth proportional to 58,165.44, 87,287.04 and 21,229.44 is: 31,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,165.44 : 87,287.04 = 21,229.44 : x
  2. Step 2: Convert to fraction form
    58,165.44/87,287.04 = 21,229.44/x
  3. Step 3: Cross multiply
    58,165.44x = 87,287.04 × 21,229.44
  4. Step 4: Simplify right side
    58,165.44x = 1,853,054,978.46
  5. Step 5: Solve for x
    x = 1,853,054,978.46/58,165.44
  6. Step 6: Final answer
    x = 31,858.35

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1.5x scale

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.