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Finding the Fourth Proportional to 23,930.39, 35,900.71 and 7,291.77

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Solution

The fourth proportional to 23,930.39, 35,900.71 and 7,291.77 is: 10,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.39 : 35,900.71 = 7,291.77 : x
  2. Step 2: Convert to fraction form
    23,930.39/35,900.71 = 7,291.77/x
  3. Step 3: Cross multiply
    23,930.39x = 35,900.71 × 7,291.77
  4. Step 4: Simplify right side
    23,930.39x = 261,779,720.16
  5. Step 5: Solve for x
    x = 261,779,720.16/23,930.39
  6. Step 6: Final answer
    x = 10,939.22

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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.