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Finding the Fourth Proportional to 8,954.93, 12,357.74 and 4,975.97

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Solution

The fourth proportional to 8,954.93, 12,357.74 and 4,975.97 is: 6,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.93 : 12,357.74 = 4,975.97 : x
  2. Step 2: Convert to fraction form
    8,954.93/12,357.74 = 4,975.97/x
  3. Step 3: Cross multiply
    8,954.93x = 12,357.74 × 4,975.97
  4. Step 4: Simplify right side
    8,954.93x = 61,491,718.63
  5. Step 5: Solve for x
    x = 61,491,718.63/8,954.93
  6. Step 6: Final answer
    x = 6,866.80

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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.