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Finding the Fourth Proportional to 41,172, 56,817.46 and 22,309.12

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Solution

The fourth proportional to 41,172, 56,817.46 and 22,309.12 is: 30,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,172 : 56,817.46 = 22,309.12 : x
  2. Step 2: Convert to fraction form
    41,172/56,817.46 = 22,309.12/x
  3. Step 3: Cross multiply
    41,172x = 56,817.46 × 22,309.12
  4. Step 4: Simplify right side
    41,172x = 1,267,547,533.24
  5. Step 5: Solve for x
    x = 1,267,547,533.24/41,172
  6. Step 6: Final answer
    x = 30,786.64

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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.