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Finding the Fourth Proportional to 59,896.68, 89,724.74 and 29,820.30

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Solution

The fourth proportional to 59,896.68, 89,724.74 and 29,820.30 is: 44,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,896.68 : 89,724.74 = 29,820.30 : x
  2. Step 2: Convert to fraction form
    59,896.68/89,724.74 = 29,820.30/x
  3. Step 3: Cross multiply
    59,896.68x = 89,724.74 × 29,820.30
  4. Step 4: Simplify right side
    59,896.68x = 2,675,618,515.12
  5. Step 5: Solve for x
    x = 2,675,618,515.12/59,896.68
  6. Step 6: Final answer
    x = 44,670.56

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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.