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Finding the Fourth Proportional to 7,434.40, 11,066.66 and 7,323.64

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Solution

The fourth proportional to 7,434.40, 11,066.66 and 7,323.64 is: 10,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.40 : 11,066.66 = 7,323.64 : x
  2. Step 2: Convert to fraction form
    7,434.40/11,066.66 = 7,323.64/x
  3. Step 3: Cross multiply
    7,434.40x = 11,066.66 × 7,323.64
  4. Step 4: Simplify right side
    7,434.40x = 81,048,233.84
  5. Step 5: Solve for x
    x = 81,048,233.84/7,434.40
  6. Step 6: Final answer
    x = 10,901.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.