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Finding the Fourth Proportional to 61,316.88, 84,621.18 and 34,096.02

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Solution

The fourth proportional to 61,316.88, 84,621.18 and 34,096.02 is: 47,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,316.88 : 84,621.18 = 34,096.02 : x
  2. Step 2: Convert to fraction form
    61,316.88/84,621.18 = 34,096.02/x
  3. Step 3: Cross multiply
    61,316.88x = 84,621.18 × 34,096.02
  4. Step 4: Simplify right side
    61,316.88x = 2,885,245,445.70
  5. Step 5: Solve for x
    x = 2,885,245,445.70/61,316.88
  6. Step 6: Final answer
    x = 47,054.67

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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.