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Finding the Fourth Proportional to 84,685.86, 127,019.07 and 22,361.22

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Solution

The fourth proportional to 84,685.86, 127,019.07 and 22,361.22 is: 33,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.86 : 127,019.07 = 22,361.22 : x
  2. Step 2: Convert to fraction form
    84,685.86/127,019.07 = 22,361.22/x
  3. Step 3: Cross multiply
    84,685.86x = 127,019.07 × 22,361.22
  4. Step 4: Simplify right side
    84,685.86x = 2,840,301,368.47
  5. Step 5: Solve for x
    x = 2,840,301,368.47/84,685.86
  6. Step 6: Final answer
    x = 33,539.26

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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.