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Finding the Fourth Proportional to 61,693.79, 85,133.98 and 34,841.75

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Solution

The fourth proportional to 61,693.79, 85,133.98 and 34,841.75 is: 48,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.79 : 85,133.98 = 34,841.75 : x
  2. Step 2: Convert to fraction form
    61,693.79/85,133.98 = 34,841.75/x
  3. Step 3: Cross multiply
    61,693.79x = 85,133.98 × 34,841.75
  4. Step 4: Simplify right side
    61,693.79x = 2,966,216,847.67
  5. Step 5: Solve for x
    x = 2,966,216,847.67/61,693.79
  6. Step 6: Final answer
    x = 48,079.67

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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.