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Finding the Fourth Proportional to 11,491.51, 17,225.08 and 6,550.51

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Solution

The fourth proportional to 11,491.51, 17,225.08 and 6,550.51 is: 9,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.51 : 17,225.08 = 6,550.51 : x
  2. Step 2: Convert to fraction form
    11,491.51/17,225.08 = 6,550.51/x
  3. Step 3: Cross multiply
    11,491.51x = 17,225.08 × 6,550.51
  4. Step 4: Simplify right side
    11,491.51x = 112,833,058.79
  5. Step 5: Solve for x
    x = 112,833,058.79/11,491.51
  6. Step 6: Final answer
    x = 9,818.82

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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.