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Finding the Fourth Proportional to 61,984.98, 85,537.49 and 35,130.02

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Solution

The fourth proportional to 61,984.98, 85,537.49 and 35,130.02 is: 48,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.98 : 85,537.49 = 35,130.02 : x
  2. Step 2: Convert to fraction form
    61,984.98/85,537.49 = 35,130.02/x
  3. Step 3: Cross multiply
    61,984.98x = 85,537.49 × 35,130.02
  4. Step 4: Simplify right side
    61,984.98x = 3,004,933,131.11
  5. Step 5: Solve for x
    x = 3,004,933,131.11/61,984.98
  6. Step 6: Final answer
    x = 48,478.41

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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.