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Finding the Fourth Proportional to 62,361.16, 86,062.80 and 35,503.68

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Solution

The fourth proportional to 62,361.16, 86,062.80 and 35,503.68 is: 48,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,361.16 : 86,062.80 = 35,503.68 : x
  2. Step 2: Convert to fraction form
    62,361.16/86,062.80 = 35,503.68/x
  3. Step 3: Cross multiply
    62,361.16x = 86,062.80 × 35,503.68
  4. Step 4: Simplify right side
    62,361.16x = 3,055,546,111.10
  5. Step 5: Solve for x
    x = 3,055,546,111.10/62,361.16
  6. Step 6: Final answer
    x = 48,997.58

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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.