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Finding the Fourth Proportional to 66,029.81, 99,019.89 and 23,899.48

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Solution

The fourth proportional to 66,029.81, 99,019.89 and 23,899.48 is: 35,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.81 : 99,019.89 = 23,899.48 : x
  2. Step 2: Convert to fraction form
    66,029.81/99,019.89 = 23,899.48/x
  3. Step 3: Cross multiply
    66,029.81x = 99,019.89 × 23,899.48
  4. Step 4: Simplify right side
    66,029.81x = 2,366,523,761.16
  5. Step 5: Solve for x
    x = 2,366,523,761.16/66,029.81
  6. Step 6: Final answer
    x = 35,840.24

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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.