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Finding the Fourth Proportional to 17,055.16, 25,582.78 and 6,659.62

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Solution

The fourth proportional to 17,055.16, 25,582.78 and 6,659.62 is: 9,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.16 : 25,582.78 = 6,659.62 : x
  2. Step 2: Convert to fraction form
    17,055.16/25,582.78 = 6,659.62/x
  3. Step 3: Cross multiply
    17,055.16x = 25,582.78 × 6,659.62
  4. Step 4: Simplify right side
    17,055.16x = 170,371,593.34
  5. Step 5: Solve for x
    x = 170,371,593.34/17,055.16
  6. Step 6: Final answer
    x = 9,989.45

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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.