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Finding the Fourth Proportional to 4,901.42, 7,352.94 and 1,938.98

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Solution

The fourth proportional to 4,901.42, 7,352.94 and 1,938.98 is: 2,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.42 : 7,352.94 = 1,938.98 : x
  2. Step 2: Convert to fraction form
    4,901.42/7,352.94 = 1,938.98/x
  3. Step 3: Cross multiply
    4,901.42x = 7,352.94 × 1,938.98
  4. Step 4: Simplify right side
    4,901.42x = 14,257,203.60
  5. Step 5: Solve for x
    x = 14,257,203.60/4,901.42
  6. Step 6: Final answer
    x = 2,908.79

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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.