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Finding the Fourth Proportional to 13,046.51, 18,004.49 and 7,741.36

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Solution

The fourth proportional to 13,046.51, 18,004.49 and 7,741.36 is: 10,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.51 : 18,004.49 = 7,741.36 : x
  2. Step 2: Convert to fraction form
    13,046.51/18,004.49 = 7,741.36/x
  3. Step 3: Cross multiply
    13,046.51x = 18,004.49 × 7,741.36
  4. Step 4: Simplify right side
    13,046.51x = 139,379,238.71
  5. Step 5: Solve for x
    x = 139,379,238.71/13,046.51
  6. Step 6: Final answer
    x = 10,683.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.