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Finding the Fourth Proportional to 13,476.92, 18,598.08 and 7,508.22

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Solution

The fourth proportional to 13,476.92, 18,598.08 and 7,508.22 is: 10,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.92 : 18,598.08 = 7,508.22 : x
  2. Step 2: Convert to fraction form
    13,476.92/18,598.08 = 7,508.22/x
  3. Step 3: Cross multiply
    13,476.92x = 18,598.08 × 7,508.22
  4. Step 4: Simplify right side
    13,476.92x = 139,638,476.22
  5. Step 5: Solve for x
    x = 139,638,476.22/13,476.92
  6. Step 6: Final answer
    x = 10,361.30

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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.