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Finding the Fourth Proportional to 53,913.64, 80,879.02 and 16,465.16

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Solution

The fourth proportional to 53,913.64, 80,879.02 and 16,465.16 is: 24,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.64 : 80,879.02 = 16,465.16 : x
  2. Step 2: Convert to fraction form
    53,913.64/80,879.02 = 16,465.16/x
  3. Step 3: Cross multiply
    53,913.64x = 80,879.02 × 16,465.16
  4. Step 4: Simplify right side
    53,913.64x = 1,331,686,004.94
  5. Step 5: Solve for x
    x = 1,331,686,004.94/53,913.64
  6. Step 6: Final answer
    x = 24,700.35

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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.