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Finding the Fourth Proportional to 61,970.48, 85,519.03 and 35,118.11

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Solution

The fourth proportional to 61,970.48, 85,519.03 and 35,118.11 is: 48,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970.48 : 85,519.03 = 35,118.11 : x
  2. Step 2: Convert to fraction form
    61,970.48/85,519.03 = 35,118.11/x
  3. Step 3: Cross multiply
    61,970.48x = 85,519.03 × 35,118.11
  4. Step 4: Simplify right side
    61,970.48x = 3,003,266,275.04
  5. Step 5: Solve for x
    x = 3,003,266,275.04/61,970.48
  6. Step 6: Final answer
    x = 48,462.85

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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.