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Finding the Fourth Proportional to 60,431.44, 90,646.78 and 23,495.44

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Solution

The fourth proportional to 60,431.44, 90,646.78 and 23,495.44 is: 35,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.44 : 90,646.78 = 23,495.44 : x
  2. Step 2: Convert to fraction form
    60,431.44/90,646.78 = 23,495.44/x
  3. Step 3: Cross multiply
    60,431.44x = 90,646.78 × 23,495.44
  4. Step 4: Simplify right side
    60,431.44x = 2,129,785,980.68
  5. Step 5: Solve for x
    x = 2,129,785,980.68/60,431.44
  6. Step 6: Final answer
    x = 35,243.01

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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.