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Finding the Fourth Proportional to 17,903.28, 24,706.08 and 9,945.52

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Solution

The fourth proportional to 17,903.28, 24,706.08 and 9,945.52 is: 13,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.28 : 24,706.08 = 9,945.52 : x
  2. Step 2: Convert to fraction form
    17,903.28/24,706.08 = 9,945.52/x
  3. Step 3: Cross multiply
    17,903.28x = 24,706.08 × 9,945.52
  4. Step 4: Simplify right side
    17,903.28x = 245,714,812.76
  5. Step 5: Solve for x
    x = 245,714,812.76/17,903.28
  6. Step 6: Final answer
    x = 13,724.57

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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.