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Finding the Fourth Proportional to 61,878.13, 92,817.16 and 22,435.18

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Solution

The fourth proportional to 61,878.13, 92,817.16 and 22,435.18 is: 33,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.13 : 92,817.16 = 22,435.18 : x
  2. Step 2: Convert to fraction form
    61,878.13/92,817.16 = 22,435.18/x
  3. Step 3: Cross multiply
    61,878.13x = 92,817.16 × 22,435.18
  4. Step 4: Simplify right side
    61,878.13x = 2,082,369,403.56
  5. Step 5: Solve for x
    x = 2,082,369,403.56/61,878.13
  6. Step 6: Final answer
    x = 33,652.75

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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.