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Finding the Fourth Proportional to 9,958.38, 15,004.05 and 9,009.66

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Solution

The fourth proportional to 9,958.38, 15,004.05 and 9,009.66 is: 13,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.38 : 15,004.05 = 9,009.66 : x
  2. Step 2: Convert to fraction form
    9,958.38/15,004.05 = 9,009.66/x
  3. Step 3: Cross multiply
    9,958.38x = 15,004.05 × 9,009.66
  4. Step 4: Simplify right side
    9,958.38x = 135,181,389.12
  5. Step 5: Solve for x
    x = 135,181,389.12/9,958.38
  6. Step 6: Final answer
    x = 13,574.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.