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Finding the Fourth Proportional to 43,706.70, 65,552.22 and 11,686.32

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Solution

The fourth proportional to 43,706.70, 65,552.22 and 11,686.32 is: 17,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.70 : 65,552.22 = 11,686.32 : x
  2. Step 2: Convert to fraction form
    43,706.70/65,552.22 = 11,686.32/x
  3. Step 3: Cross multiply
    43,706.70x = 65,552.22 × 11,686.32
  4. Step 4: Simplify right side
    43,706.70x = 766,064,219.63
  5. Step 5: Solve for x
    x = 766,064,219.63/43,706.70
  6. Step 6: Final answer
    x = 17,527.39

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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.