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Finding the Fourth Proportional to 7,228.94, 9,973.45 and 4,395.43

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Solution

The fourth proportional to 7,228.94, 9,973.45 and 4,395.43 is: 6,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.94 : 9,973.45 = 4,395.43 : x
  2. Step 2: Convert to fraction form
    7,228.94/9,973.45 = 4,395.43/x
  3. Step 3: Cross multiply
    7,228.94x = 9,973.45 × 4,395.43
  4. Step 4: Simplify right side
    7,228.94x = 43,837,601.33
  5. Step 5: Solve for x
    x = 43,837,601.33/7,228.94
  6. Step 6: Final answer
    x = 6,064.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.