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Finding the Fourth Proportional to 12,903.07, 17,809.17 and 7,599.60

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Solution

The fourth proportional to 12,903.07, 17,809.17 and 7,599.60 is: 10,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.07 : 17,809.17 = 7,599.60 : x
  2. Step 2: Convert to fraction form
    12,903.07/17,809.17 = 7,599.60/x
  3. Step 3: Cross multiply
    12,903.07x = 17,809.17 × 7,599.60
  4. Step 4: Simplify right side
    12,903.07x = 135,342,568.33
  5. Step 5: Solve for x
    x = 135,342,568.33/12,903.07
  6. Step 6: Final answer
    x = 10,489.18

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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.