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Finding the Fourth Proportional to 17,802.48, 26,691.42 and 7,802.43

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Solution

The fourth proportional to 17,802.48, 26,691.42 and 7,802.43 is: 11,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.48 : 26,691.42 = 7,802.43 : x
  2. Step 2: Convert to fraction form
    17,802.48/26,691.42 = 7,802.43/x
  3. Step 3: Cross multiply
    17,802.48x = 26,691.42 × 7,802.43
  4. Step 4: Simplify right side
    17,802.48x = 208,257,865.32
  5. Step 5: Solve for x
    x = 208,257,865.32/17,802.48
  6. Step 6: Final answer
    x = 11,698.25

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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.