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Finding the Fourth Proportional to 4,448.40, 6,683.40 and 3,973.20

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Solution

The fourth proportional to 4,448.40, 6,683.40 and 3,973.20 is: 5,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.40 : 6,683.40 = 3,973.20 : x
  2. Step 2: Convert to fraction form
    4,448.40/6,683.40 = 3,973.20/x
  3. Step 3: Cross multiply
    4,448.40x = 6,683.40 × 3,973.20
  4. Step 4: Simplify right side
    4,448.40x = 26,554,484.88
  5. Step 5: Solve for x
    x = 26,554,484.88/4,448.40
  6. Step 6: Final answer
    x = 5,969.45

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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.