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Finding the Fourth Proportional to 27,171.63, 40,763.58 and 9,641.46

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Solution

The fourth proportional to 27,171.63, 40,763.58 and 9,641.46 is: 14,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.63 : 40,763.58 = 9,641.46 : x
  2. Step 2: Convert to fraction form
    27,171.63/40,763.58 = 9,641.46/x
  3. Step 3: Cross multiply
    27,171.63x = 40,763.58 × 9,641.46
  4. Step 4: Simplify right side
    27,171.63x = 393,020,426.03
  5. Step 5: Solve for x
    x = 393,020,426.03/27,171.63
  6. Step 6: Final answer
    x = 14,464.37

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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.