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Finding the Fourth Proportional to 59,902.66, 89,820.28 and 19,900.23

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Solution

The fourth proportional to 59,902.66, 89,820.28 and 19,900.23 is: 29,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,902.66 : 89,820.28 = 19,900.23 : x
  2. Step 2: Convert to fraction form
    59,902.66/89,820.28 = 19,900.23/x
  3. Step 3: Cross multiply
    59,902.66x = 89,820.28 × 19,900.23
  4. Step 4: Simplify right side
    59,902.66x = 1,787,444,230.66
  5. Step 5: Solve for x
    x = 1,787,444,230.66/59,902.66
  6. Step 6: Final answer
    x = 29,839.15

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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.