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Finding the Fourth Proportional to 3,328.56, 4,994.78 and 1,250.01

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Solution

The fourth proportional to 3,328.56, 4,994.78 and 1,250.01 is: 1,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.56 : 4,994.78 = 1,250.01 : x
  2. Step 2: Convert to fraction form
    3,328.56/4,994.78 = 1,250.01/x
  3. Step 3: Cross multiply
    3,328.56x = 4,994.78 × 1,250.01
  4. Step 4: Simplify right side
    3,328.56x = 6,243,524.95
  5. Step 5: Solve for x
    x = 6,243,524.95/3,328.56
  6. Step 6: Final answer
    x = 1,875.74

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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.