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Finding the Fourth Proportional to 4,750.37, 7,126.47 and 1,975.55

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Solution

The fourth proportional to 4,750.37, 7,126.47 and 1,975.55 is: 2,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.37 : 7,126.47 = 1,975.55 : x
  2. Step 2: Convert to fraction form
    4,750.37/7,126.47 = 1,975.55/x
  3. Step 3: Cross multiply
    4,750.37x = 7,126.47 × 1,975.55
  4. Step 4: Simplify right side
    4,750.37x = 14,078,697.81
  5. Step 5: Solve for x
    x = 14,078,697.81/4,750.37
  6. Step 6: Final answer
    x = 2,963.71

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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.