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Finding the Fourth Proportional to 4,266.72, 6,402.72 and 2,075.52

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Solution

The fourth proportional to 4,266.72, 6,402.72 and 2,075.52 is: 3,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.72 : 6,402.72 = 2,075.52 : x
  2. Step 2: Convert to fraction form
    4,266.72/6,402.72 = 2,075.52/x
  3. Step 3: Cross multiply
    4,266.72x = 6,402.72 × 2,075.52
  4. Step 4: Simplify right side
    4,266.72x = 13,288,973.41
  5. Step 5: Solve for x
    x = 13,288,973.41/4,266.72
  6. Step 6: Final answer
    x = 3,114.56

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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.