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Finding the Fourth Proportional to 59,279.64, 88,927.96 and 19,285.48

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Solution

The fourth proportional to 59,279.64, 88,927.96 and 19,285.48 is: 28,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,279.64 : 88,927.96 = 19,285.48 : x
  2. Step 2: Convert to fraction form
    59,279.64/88,927.96 = 19,285.48/x
  3. Step 3: Cross multiply
    59,279.64x = 88,927.96 × 19,285.48
  4. Step 4: Simplify right side
    59,279.64x = 1,715,018,394.02
  5. Step 5: Solve for x
    x = 1,715,018,394.02/59,279.64
  6. Step 6: Final answer
    x = 28,930.99

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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.