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Finding the Fourth Proportional to 61,787.30, 85,266.62 and 33,492.99

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Solution

The fourth proportional to 61,787.30, 85,266.62 and 33,492.99 is: 46,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.30 : 85,266.62 = 33,492.99 : x
  2. Step 2: Convert to fraction form
    61,787.30/85,266.62 = 33,492.99/x
  3. Step 3: Cross multiply
    61,787.30x = 85,266.62 × 33,492.99
  4. Step 4: Simplify right side
    61,787.30x = 2,855,833,883.53
  5. Step 5: Solve for x
    x = 2,855,833,883.53/61,787.30
  6. Step 6: Final answer
    x = 46,220.40

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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.