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Finding the Fourth Proportional to 61,684.84, 85,129.01 and 34,817.55

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Solution

The fourth proportional to 61,684.84, 85,129.01 and 34,817.55 is: 48,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,684.84 : 85,129.01 = 34,817.55 : x
  2. Step 2: Convert to fraction form
    61,684.84/85,129.01 = 34,817.55/x
  3. Step 3: Cross multiply
    61,684.84x = 85,129.01 × 34,817.55
  4. Step 4: Simplify right side
    61,684.84x = 2,963,983,562.13
  5. Step 5: Solve for x
    x = 2,963,983,562.13/61,684.84
  6. Step 6: Final answer
    x = 48,050.44

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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.