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Finding the Fourth Proportional to 61,670.44, 85,109.02 and 34,803.12

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Solution

The fourth proportional to 61,670.44, 85,109.02 and 34,803.12 is: 48,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670.44 : 85,109.02 = 34,803.12 : x
  2. Step 2: Convert to fraction form
    61,670.44/85,109.02 = 34,803.12/x
  3. Step 3: Cross multiply
    61,670.44x = 85,109.02 × 34,803.12
  4. Step 4: Simplify right side
    61,670.44x = 2,962,059,436.14
  5. Step 5: Solve for x
    x = 2,962,059,436.14/61,670.44
  6. Step 6: Final answer
    x = 48,030.46

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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.