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Finding the Fourth Proportional to 7,059.84, 10,589.76 and 1,865.76

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Solution

The fourth proportional to 7,059.84, 10,589.76 and 1,865.76 is: 2,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.84 : 10,589.76 = 1,865.76 : x
  2. Step 2: Convert to fraction form
    7,059.84/10,589.76 = 1,865.76/x
  3. Step 3: Cross multiply
    7,059.84x = 10,589.76 × 1,865.76
  4. Step 4: Simplify right side
    7,059.84x = 19,757,950.62
  5. Step 5: Solve for x
    x = 19,757,950.62/7,059.84
  6. Step 6: Final answer
    x = 2,798.64

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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.