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Finding the Fourth Proportional to 7,980.54, 11,014.11 and 4,444.26

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Solution

The fourth proportional to 7,980.54, 11,014.11 and 4,444.26 is: 6,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.54 : 11,014.11 = 4,444.26 : x
  2. Step 2: Convert to fraction form
    7,980.54/11,014.11 = 4,444.26/x
  3. Step 3: Cross multiply
    7,980.54x = 11,014.11 × 4,444.26
  4. Step 4: Simplify right side
    7,980.54x = 48,949,568.51
  5. Step 5: Solve for x
    x = 48,949,568.51/7,980.54
  6. Step 6: Final answer
    x = 6,133.62

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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.