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Finding the Fourth Proportional to 13,495.51, 20,256.22 and 6,574.87

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Solution

The fourth proportional to 13,495.51, 20,256.22 and 6,574.87 is: 9,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.51 : 20,256.22 = 6,574.87 : x
  2. Step 2: Convert to fraction form
    13,495.51/20,256.22 = 6,574.87/x
  3. Step 3: Cross multiply
    13,495.51x = 20,256.22 × 6,574.87
  4. Step 4: Simplify right side
    13,495.51x = 133,181,911.91
  5. Step 5: Solve for x
    x = 133,181,911.91/13,495.51
  6. Step 6: Final answer
    x = 9,868.61

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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.