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Finding the Fourth Proportional to 59,569.80, 89,194.62 and 31,431.32

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Solution

The fourth proportional to 59,569.80, 89,194.62 and 31,431.32 is: 47,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,569.80 : 89,194.62 = 31,431.32 : x
  2. Step 2: Convert to fraction form
    59,569.80/89,194.62 = 31,431.32/x
  3. Step 3: Cross multiply
    59,569.80x = 89,194.62 × 31,431.32
  4. Step 4: Simplify right side
    59,569.80x = 2,803,504,643.50
  5. Step 5: Solve for x
    x = 2,803,504,643.50/59,569.80
  6. Step 6: Final answer
    x = 47,062.52

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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.