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Finding the Fourth Proportional to 7,054.93, 10,583.06 and 1,989.10

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Solution

The fourth proportional to 7,054.93, 10,583.06 and 1,989.10 is: 2,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.93 : 10,583.06 = 1,989.10 : x
  2. Step 2: Convert to fraction form
    7,054.93/10,583.06 = 1,989.10/x
  3. Step 3: Cross multiply
    7,054.93x = 10,583.06 × 1,989.10
  4. Step 4: Simplify right side
    7,054.93x = 21,050,764.65
  5. Step 5: Solve for x
    x = 21,050,764.65/7,054.93
  6. Step 6: Final answer
    x = 2,983.84

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.