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Finding the Fourth Proportional to 9,376.76, 12,945.54 and 5,844.75

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Solution

The fourth proportional to 9,376.76, 12,945.54 and 5,844.75 is: 8,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.76 : 12,945.54 = 5,844.75 : x
  2. Step 2: Convert to fraction form
    9,376.76/12,945.54 = 5,844.75/x
  3. Step 3: Cross multiply
    9,376.76x = 12,945.54 × 5,844.75
  4. Step 4: Simplify right side
    9,376.76x = 75,663,477.28
  5. Step 5: Solve for x
    x = 75,663,477.28/9,376.76
  6. Step 6: Final answer
    x = 8,069.26

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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.