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Finding the Fourth Proportional to 14,600.72, 21,900.18 and 5,829.32

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Solution

The fourth proportional to 14,600.72, 21,900.18 and 5,829.32 is: 8,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.72 : 21,900.18 = 5,829.32 : x
  2. Step 2: Convert to fraction form
    14,600.72/21,900.18 = 5,829.32/x
  3. Step 3: Cross multiply
    14,600.72x = 21,900.18 × 5,829.32
  4. Step 4: Simplify right side
    14,600.72x = 127,663,157.28
  5. Step 5: Solve for x
    x = 127,663,157.28/14,600.72
  6. Step 6: Final answer
    x = 8,743.62

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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.