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Finding the Fourth Proportional to 7,104.53, 10,659.01 and 2,946.50

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Solution

The fourth proportional to 7,104.53, 10,659.01 and 2,946.50 is: 4,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.53 : 10,659.01 = 2,946.50 : x
  2. Step 2: Convert to fraction form
    7,104.53/10,659.01 = 2,946.50/x
  3. Step 3: Cross multiply
    7,104.53x = 10,659.01 × 2,946.50
  4. Step 4: Simplify right side
    7,104.53x = 31,406,772.97
  5. Step 5: Solve for x
    x = 31,406,772.97/7,104.53
  6. Step 6: Final answer
    x = 4,420.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.