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Finding the Fourth Proportional to 34,800.16, 48,024.08 and 20,664.64

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Solution

The fourth proportional to 34,800.16, 48,024.08 and 20,664.64 is: 28,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.16 : 48,024.08 = 20,664.64 : x
  2. Step 2: Convert to fraction form
    34,800.16/48,024.08 = 20,664.64/x
  3. Step 3: Cross multiply
    34,800.16x = 48,024.08 × 20,664.64
  4. Step 4: Simplify right side
    34,800.16x = 992,400,324.53
  5. Step 5: Solve for x
    x = 992,400,324.53/34,800.16
  6. Step 6: Final answer
    x = 28,517.12

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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.