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Finding the Fourth Proportional to 2,975.84, 4,462.86 and 1,244.06

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Solution

The fourth proportional to 2,975.84, 4,462.86 and 1,244.06 is: 1,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.84 : 4,462.86 = 1,244.06 : x
  2. Step 2: Convert to fraction form
    2,975.84/4,462.86 = 1,244.06/x
  3. Step 3: Cross multiply
    2,975.84x = 4,462.86 × 1,244.06
  4. Step 4: Simplify right side
    2,975.84x = 5,552,076.77
  5. Step 5: Solve for x
    x = 5,552,076.77/2,975.84
  6. Step 6: Final answer
    x = 1,865.72

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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.