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Finding the Fourth Proportional to 4,955.68, 7,431.97 and 1,792.72

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Solution

The fourth proportional to 4,955.68, 7,431.97 and 1,792.72 is: 2,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.68 : 7,431.97 = 1,792.72 : x
  2. Step 2: Convert to fraction form
    4,955.68/7,431.97 = 1,792.72/x
  3. Step 3: Cross multiply
    4,955.68x = 7,431.97 × 1,792.72
  4. Step 4: Simplify right side
    4,955.68x = 13,323,441.26
  5. Step 5: Solve for x
    x = 13,323,441.26/4,955.68
  6. Step 6: Final answer
    x = 2,688.52

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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.