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Finding the Fourth Proportional to 7,060.95, 10,591.49 and 2,130.63

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Solution

The fourth proportional to 7,060.95, 10,591.49 and 2,130.63 is: 3,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.95 : 10,591.49 = 2,130.63 : x
  2. Step 2: Convert to fraction form
    7,060.95/10,591.49 = 2,130.63/x
  3. Step 3: Cross multiply
    7,060.95x = 10,591.49 × 2,130.63
  4. Step 4: Simplify right side
    7,060.95x = 22,566,525.19
  5. Step 5: Solve for x
    x = 22,566,525.19/7,060.95
  6. Step 6: Final answer
    x = 3,195.96

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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.