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Finding the Fourth Proportional to 17,659.74, 26,483.76 and 7,127.04

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Solution

The fourth proportional to 17,659.74, 26,483.76 and 7,127.04 is: 10,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.74 : 26,483.76 = 7,127.04 : x
  2. Step 2: Convert to fraction form
    17,659.74/26,483.76 = 7,127.04/x
  3. Step 3: Cross multiply
    17,659.74x = 26,483.76 × 7,127.04
  4. Step 4: Simplify right side
    17,659.74x = 188,750,816.87
  5. Step 5: Solve for x
    x = 188,750,816.87/17,659.74
  6. Step 6: Final answer
    x = 10,688.20

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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.