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Finding the Fourth Proportional to 17,655.51, 26,483.89 and 5,650.09

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Solution

The fourth proportional to 17,655.51, 26,483.89 and 5,650.09 is: 8,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.51 : 26,483.89 = 5,650.09 : x
  2. Step 2: Convert to fraction form
    17,655.51/26,483.89 = 5,650.09/x
  3. Step 3: Cross multiply
    17,655.51x = 26,483.89 × 5,650.09
  4. Step 4: Simplify right side
    17,655.51x = 149,636,362.05
  5. Step 5: Solve for x
    x = 149,636,362.05/17,655.51
  6. Step 6: Final answer
    x = 8,475.34

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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.