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Finding the Fourth Proportional to 4,709.88, 7,059.29 and 1,935.18

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Solution

The fourth proportional to 4,709.88, 7,059.29 and 1,935.18 is: 2,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.88 : 7,059.29 = 1,935.18 : x
  2. Step 2: Convert to fraction form
    4,709.88/7,059.29 = 1,935.18/x
  3. Step 3: Cross multiply
    4,709.88x = 7,059.29 × 1,935.18
  4. Step 4: Simplify right side
    4,709.88x = 13,660,987.15
  5. Step 5: Solve for x
    x = 13,660,987.15/4,709.88
  6. Step 6: Final answer
    x = 2,900.50

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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.