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Finding the Fourth Proportional to 61,813.48, 92,720.13 and 22,361.35

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Solution

The fourth proportional to 61,813.48, 92,720.13 and 22,361.35 is: 33,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.48 : 92,720.13 = 22,361.35 : x
  2. Step 2: Convert to fraction form
    61,813.48/92,720.13 = 22,361.35/x
  3. Step 3: Cross multiply
    61,813.48x = 92,720.13 × 22,361.35
  4. Step 4: Simplify right side
    61,813.48x = 2,073,347,047.18
  5. Step 5: Solve for x
    x = 2,073,347,047.18/61,813.48
  6. Step 6: Final answer
    x = 33,541.99

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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.