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Finding the Fourth Proportional to 14,488.92, 21,736.14 and 6,168.76

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Solution

The fourth proportional to 14,488.92, 21,736.14 and 6,168.76 is: 9,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.92 : 21,736.14 = 6,168.76 : x
  2. Step 2: Convert to fraction form
    14,488.92/21,736.14 = 6,168.76/x
  3. Step 3: Cross multiply
    14,488.92x = 21,736.14 × 6,168.76
  4. Step 4: Simplify right side
    14,488.92x = 134,085,030.99
  5. Step 5: Solve for x
    x = 134,085,030.99/14,488.92
  6. Step 6: Final answer
    x = 9,254.32

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1.5x scale

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.