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Finding the Fourth Proportional to 4,952.76, 7,418.56 and 3,718.32

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Solution

The fourth proportional to 4,952.76, 7,418.56 and 3,718.32 is: 5,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.76 : 7,418.56 = 3,718.32 : x
  2. Step 2: Convert to fraction form
    4,952.76/7,418.56 = 3,718.32/x
  3. Step 3: Cross multiply
    4,952.76x = 7,418.56 × 3,718.32
  4. Step 4: Simplify right side
    4,952.76x = 27,584,580.02
  5. Step 5: Solve for x
    x = 27,584,580.02/4,952.76
  6. Step 6: Final answer
    x = 5,569.54

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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.