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Finding the Fourth Proportional to 43,785, 60,424.74 and 23,913

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Solution

The fourth proportional to 43,785, 60,424.74 and 23,913 is: 33,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785 : 60,424.74 = 23,913 : x
  2. Step 2: Convert to fraction form
    43,785/60,424.74 = 23,913/x
  3. Step 3: Cross multiply
    43,785x = 60,424.74 × 23,913
  4. Step 4: Simplify right side
    43,785x = 1,444,936,807.62
  5. Step 5: Solve for x
    x = 1,444,936,807.62/43,785
  6. Step 6: Final answer
    x = 33,000.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.