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Finding the Fourth Proportional to 61,750.98, 85,215.24 and 34,892.91

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Solution

The fourth proportional to 61,750.98, 85,215.24 and 34,892.91 is: 48,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.98 : 85,215.24 = 34,892.91 : x
  2. Step 2: Convert to fraction form
    61,750.98/85,215.24 = 34,892.91/x
  3. Step 3: Cross multiply
    61,750.98x = 85,215.24 × 34,892.91
  4. Step 4: Simplify right side
    61,750.98x = 2,973,407,312.45
  5. Step 5: Solve for x
    x = 2,973,407,312.45/61,750.98
  6. Step 6: Final answer
    x = 48,151.58

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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.