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Finding the Fourth Proportional to 7,227.67, 9,973.63 and 4,394.65

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Solution

The fourth proportional to 7,227.67, 9,973.63 and 4,394.65 is: 6,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.67 : 9,973.63 = 4,394.65 : x
  2. Step 2: Convert to fraction form
    7,227.67/9,973.63 = 4,394.65/x
  3. Step 3: Cross multiply
    7,227.67x = 9,973.63 × 4,394.65
  4. Step 4: Simplify right side
    7,227.67x = 43,830,643.40
  5. Step 5: Solve for x
    x = 43,830,643.40/7,227.67
  6. Step 6: Final answer
    x = 6,064.28

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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.