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Finding the Fourth Proportional to 43,332.92, 65,007.48 and 13,742.80

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Solution

The fourth proportional to 43,332.92, 65,007.48 and 13,742.80 is: 20,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.92 : 65,007.48 = 13,742.80 : x
  2. Step 2: Convert to fraction form
    43,332.92/65,007.48 = 13,742.80/x
  3. Step 3: Cross multiply
    43,332.92x = 65,007.48 × 13,742.80
  4. Step 4: Simplify right side
    43,332.92x = 893,384,796.14
  5. Step 5: Solve for x
    x = 893,384,796.14/43,332.92
  6. Step 6: Final answer
    x = 20,616.77

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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.