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Finding the Fourth Proportional to 4,954.71, 7,430.90 and 1,443.81

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Solution

The fourth proportional to 4,954.71, 7,430.90 and 1,443.81 is: 2,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.71 : 7,430.90 = 1,443.81 : x
  2. Step 2: Convert to fraction form
    4,954.71/7,430.90 = 1,443.81/x
  3. Step 3: Cross multiply
    4,954.71x = 7,430.90 × 1,443.81
  4. Step 4: Simplify right side
    4,954.71x = 10,728,800.51
  5. Step 5: Solve for x
    x = 10,728,800.51/4,954.71
  6. Step 6: Final answer
    x = 2,165.37

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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.