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Finding the Fourth Proportional to 5,075.44, 7,612.98 and 1,788.44

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Solution

The fourth proportional to 5,075.44, 7,612.98 and 1,788.44 is: 2,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.44 : 7,612.98 = 1,788.44 : x
  2. Step 2: Convert to fraction form
    5,075.44/7,612.98 = 1,788.44/x
  3. Step 3: Cross multiply
    5,075.44x = 7,612.98 × 1,788.44
  4. Step 4: Simplify right side
    5,075.44x = 13,615,357.95
  5. Step 5: Solve for x
    x = 13,615,357.95/5,075.44
  6. Step 6: Final answer
    x = 2,682.60

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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.