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Finding the Fourth Proportional to 65,903.35, 90,948.15 and 37,611.67

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Solution

The fourth proportional to 65,903.35, 90,948.15 and 37,611.67 is: 51,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.35 : 90,948.15 = 37,611.67 : x
  2. Step 2: Convert to fraction form
    65,903.35/90,948.15 = 37,611.67/x
  3. Step 3: Cross multiply
    65,903.35x = 90,948.15 × 37,611.67
  4. Step 4: Simplify right side
    65,903.35x = 3,420,711,804.91
  5. Step 5: Solve for x
    x = 3,420,711,804.91/65,903.35
  6. Step 6: Final answer
    x = 51,904.98

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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.