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Finding the Fourth Proportional to 7,958.93, 10,980.18 and 4,601.13

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Solution

The fourth proportional to 7,958.93, 10,980.18 and 4,601.13 is: 6,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.93 : 10,980.18 = 4,601.13 : x
  2. Step 2: Convert to fraction form
    7,958.93/10,980.18 = 4,601.13/x
  3. Step 3: Cross multiply
    7,958.93x = 10,980.18 × 4,601.13
  4. Step 4: Simplify right side
    7,958.93x = 50,521,238.25
  5. Step 5: Solve for x
    x = 50,521,238.25/7,958.93
  6. Step 6: Final answer
    x = 6,347.74

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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.