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Finding the Fourth Proportional to 4,994.21, 7,501.63 and 4,828.21

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Solution

The fourth proportional to 4,994.21, 7,501.63 and 4,828.21 is: 7,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.21 : 7,501.63 = 4,828.21 : x
  2. Step 2: Convert to fraction form
    4,994.21/7,501.63 = 4,828.21/x
  3. Step 3: Cross multiply
    4,994.21x = 7,501.63 × 4,828.21
  4. Step 4: Simplify right side
    4,994.21x = 36,219,419.54
  5. Step 5: Solve for x
    x = 36,219,419.54/4,994.21
  6. Step 6: Final answer
    x = 7,252.29

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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.