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Finding the Fourth Proportional to 7,993.58, 11,031.15 and 4,457.01

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Solution

The fourth proportional to 7,993.58, 11,031.15 and 4,457.01 is: 6,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.58 : 11,031.15 = 4,457.01 : x
  2. Step 2: Convert to fraction form
    7,993.58/11,031.15 = 4,457.01/x
  3. Step 3: Cross multiply
    7,993.58x = 11,031.15 × 4,457.01
  4. Step 4: Simplify right side
    7,993.58x = 49,165,973.44
  5. Step 5: Solve for x
    x = 49,165,973.44/7,993.58
  6. Step 6: Final answer
    x = 6,150.69

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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.