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Finding the Fourth Proportional to 23,988.96, 35,970.24 and 9,945.12

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Solution

The fourth proportional to 23,988.96, 35,970.24 and 9,945.12 is: 14,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.96 : 35,970.24 = 9,945.12 : x
  2. Step 2: Convert to fraction form
    23,988.96/35,970.24 = 9,945.12/x
  3. Step 3: Cross multiply
    23,988.96x = 35,970.24 × 9,945.12
  4. Step 4: Simplify right side
    23,988.96x = 357,728,353.23
  5. Step 5: Solve for x
    x = 357,728,353.23/23,988.96
  6. Step 6: Final answer
    x = 14,912.21

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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.