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Finding the Fourth Proportional to 7,023.99, 9,693.50 and 3,880.11

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Solution

The fourth proportional to 7,023.99, 9,693.50 and 3,880.11 is: 5,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.99 : 9,693.50 = 3,880.11 : x
  2. Step 2: Convert to fraction form
    7,023.99/9,693.50 = 3,880.11/x
  3. Step 3: Cross multiply
    7,023.99x = 9,693.50 × 3,880.11
  4. Step 4: Simplify right side
    7,023.99x = 37,611,826.88
  5. Step 5: Solve for x
    x = 37,611,826.88/7,023.99
  6. Step 6: Final answer
    x = 5,354.77

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1.5x scale

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.