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Finding the Fourth Proportional to 2,670.48, 4,007.16 and 2,573.52

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Solution

The fourth proportional to 2,670.48, 4,007.16 and 2,573.52 is: 3,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.48 : 4,007.16 = 2,573.52 : x
  2. Step 2: Convert to fraction form
    2,670.48/4,007.16 = 2,573.52/x
  3. Step 3: Cross multiply
    2,670.48x = 4,007.16 × 2,573.52
  4. Step 4: Simplify right side
    2,670.48x = 10,312,506.40
  5. Step 5: Solve for x
    x = 10,312,506.40/2,670.48
  6. Step 6: Final answer
    x = 3,861.67

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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.