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Finding the Fourth Proportional to 26,361.48, 39,541.07 and 7,641.11

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Solution

The fourth proportional to 26,361.48, 39,541.07 and 7,641.11 is: 11,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.48 : 39,541.07 = 7,641.11 : x
  2. Step 2: Convert to fraction form
    26,361.48/39,541.07 = 7,641.11/x
  3. Step 3: Cross multiply
    26,361.48x = 39,541.07 × 7,641.11
  4. Step 4: Simplify right side
    26,361.48x = 302,137,665.39
  5. Step 5: Solve for x
    x = 302,137,665.39/26,361.48
  6. Step 6: Final answer
    x = 11,461.33

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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.