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Finding the Fourth Proportional to 7,223.29, 9,968.01 and 4,036.63

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Solution

The fourth proportional to 7,223.29, 9,968.01 and 4,036.63 is: 5,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.29 : 9,968.01 = 4,036.63 : x
  2. Step 2: Convert to fraction form
    7,223.29/9,968.01 = 4,036.63/x
  3. Step 3: Cross multiply
    7,223.29x = 9,968.01 × 4,036.63
  4. Step 4: Simplify right side
    7,223.29x = 40,237,168.21
  5. Step 5: Solve for x
    x = 40,237,168.21/7,223.29
  6. Step 6: Final answer
    x = 5,570.48

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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.