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Finding the Fourth Proportional to 7,059.71, 10,589.84 and 2,130.05

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Solution

The fourth proportional to 7,059.71, 10,589.84 and 2,130.05 is: 3,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.71 : 10,589.84 = 2,130.05 : x
  2. Step 2: Convert to fraction form
    7,059.71/10,589.84 = 2,130.05/x
  3. Step 3: Cross multiply
    7,059.71x = 10,589.84 × 2,130.05
  4. Step 4: Simplify right side
    7,059.71x = 22,556,888.69
  5. Step 5: Solve for x
    x = 22,556,888.69/7,059.71
  6. Step 6: Final answer
    x = 3,195.16

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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.