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Finding the Fourth Proportional to 5,075.84, 7,613.49 and 1,612.82

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Solution

The fourth proportional to 5,075.84, 7,613.49 and 1,612.82 is: 2,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.84 : 7,613.49 = 1,612.82 : x
  2. Step 2: Convert to fraction form
    5,075.84/7,613.49 = 1,612.82/x
  3. Step 3: Cross multiply
    5,075.84x = 7,613.49 × 1,612.82
  4. Step 4: Simplify right side
    5,075.84x = 12,279,161.84
  5. Step 5: Solve for x
    x = 12,279,161.84/5,075.84
  6. Step 6: Final answer
    x = 2,419.14

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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.