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Finding the Fourth Proportional to 9,494, 13,101.76 and 5,303.28

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Solution

The fourth proportional to 9,494, 13,101.76 and 5,303.28 is: 7,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494 : 13,101.76 = 5,303.28 : x
  2. Step 2: Convert to fraction form
    9,494/13,101.76 = 5,303.28/x
  3. Step 3: Cross multiply
    9,494x = 13,101.76 × 5,303.28
  4. Step 4: Simplify right side
    9,494x = 69,482,301.77
  5. Step 5: Solve for x
    x = 69,482,301.77/9,494
  6. Step 6: Final answer
    x = 7,318.55

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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.