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Finding the Fourth Proportional to 61,472.34, 84,855.60 and 48,047.94

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Solution

The fourth proportional to 61,472.34, 84,855.60 and 48,047.94 is: 66,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,472.34 : 84,855.60 = 48,047.94 : x
  2. Step 2: Convert to fraction form
    61,472.34/84,855.60 = 48,047.94/x
  3. Step 3: Cross multiply
    61,472.34x = 84,855.60 × 48,047.94
  4. Step 4: Simplify right side
    61,472.34x = 4,077,136,777.46
  5. Step 5: Solve for x
    x = 4,077,136,777.46/61,472.34
  6. Step 6: Final answer
    x = 66,324.74

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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.