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Finding the Fourth Proportional to 17,651.16, 26,483.58 and 7,783.47

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Solution

The fourth proportional to 17,651.16, 26,483.58 and 7,783.47 is: 11,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.16 : 26,483.58 = 7,783.47 : x
  2. Step 2: Convert to fraction form
    17,651.16/26,483.58 = 7,783.47/x
  3. Step 3: Cross multiply
    17,651.16x = 26,483.58 × 7,783.47
  4. Step 4: Simplify right side
    17,651.16x = 206,134,150.42
  5. Step 5: Solve for x
    x = 206,134,150.42/17,651.16
  6. Step 6: Final answer
    x = 11,678.22

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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.