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Finding the Fourth Proportional to 47,361.51, 71,045.77 and 13,626.17

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Solution

The fourth proportional to 47,361.51, 71,045.77 and 13,626.17 is: 20,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,361.51 : 71,045.77 = 13,626.17 : x
  2. Step 2: Convert to fraction form
    47,361.51/71,045.77 = 13,626.17/x
  3. Step 3: Cross multiply
    47,361.51x = 71,045.77 × 13,626.17
  4. Step 4: Simplify right side
    47,361.51x = 968,081,671.67
  5. Step 5: Solve for x
    x = 968,081,671.67/47,361.51
  6. Step 6: Final answer
    x = 20,440.26

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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.