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Finding the Fourth Proportional to 59,950.66, 89,915.73 and 19,965.10

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Solution

The fourth proportional to 59,950.66, 89,915.73 and 19,965.10 is: 29,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,950.66 : 89,915.73 = 19,965.10 : x
  2. Step 2: Convert to fraction form
    59,950.66/89,915.73 = 19,965.10/x
  3. Step 3: Cross multiply
    59,950.66x = 89,915.73 × 19,965.10
  4. Step 4: Simplify right side
    59,950.66x = 1,795,176,541.02
  5. Step 5: Solve for x
    x = 1,795,176,541.02/59,950.66
  6. Step 6: Final answer
    x = 29,944.23

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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.