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Finding the Fourth Proportional to 16,352.64, 22,560.81 and 10,690.64

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Solution

The fourth proportional to 16,352.64, 22,560.81 and 10,690.64 is: 14,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.64 : 22,560.81 = 10,690.64 : x
  2. Step 2: Convert to fraction form
    16,352.64/22,560.81 = 10,690.64/x
  3. Step 3: Cross multiply
    16,352.64x = 22,560.81 × 10,690.64
  4. Step 4: Simplify right side
    16,352.64x = 241,189,385.01
  5. Step 5: Solve for x
    x = 241,189,385.01/16,352.64
  6. Step 6: Final answer
    x = 14,749.26

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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.