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Finding the Fourth Proportional to 7,973.09, 11,002.97 and 4,388.47

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Solution

The fourth proportional to 7,973.09, 11,002.97 and 4,388.47 is: 6,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.09 : 11,002.97 = 4,388.47 : x
  2. Step 2: Convert to fraction form
    7,973.09/11,002.97 = 4,388.47/x
  3. Step 3: Cross multiply
    7,973.09x = 11,002.97 × 4,388.47
  4. Step 4: Simplify right side
    7,973.09x = 48,286,249.11
  5. Step 5: Solve for x
    x = 48,286,249.11/7,973.09
  6. Step 6: Final answer
    x = 6,056.15

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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.