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Finding the Fourth Proportional to 23,431.95, 35,147.94 and 9,580.95

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Solution

The fourth proportional to 23,431.95, 35,147.94 and 9,580.95 is: 14,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.95 : 35,147.94 = 9,580.95 : x
  2. Step 2: Convert to fraction form
    23,431.95/35,147.94 = 9,580.95/x
  3. Step 3: Cross multiply
    23,431.95x = 35,147.94 × 9,580.95
  4. Step 4: Simplify right side
    23,431.95x = 336,750,655.74
  5. Step 5: Solve for x
    x = 336,750,655.74/23,431.95
  6. Step 6: Final answer
    x = 14,371.43

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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.