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Finding the Fourth Proportional to 61,101.84, 91,683.72 and 27,817.32

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Solution

The fourth proportional to 61,101.84, 91,683.72 and 27,817.32 is: 41,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101.84 : 91,683.72 = 27,817.32 : x
  2. Step 2: Convert to fraction form
    61,101.84/91,683.72 = 27,817.32/x
  3. Step 3: Cross multiply
    61,101.84x = 91,683.72 × 27,817.32
  4. Step 4: Simplify right side
    61,101.84x = 2,550,395,378.03
  5. Step 5: Solve for x
    x = 2,550,395,378.03/61,101.84
  6. Step 6: Final answer
    x = 41,740.07

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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.