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Finding the Fourth Proportional to 19,015.50, 28,536.39 and 6,703.50

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Solution

The fourth proportional to 19,015.50, 28,536.39 and 6,703.50 is: 10,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.50 : 28,536.39 = 6,703.50 : x
  2. Step 2: Convert to fraction form
    19,015.50/28,536.39 = 6,703.50/x
  3. Step 3: Cross multiply
    19,015.50x = 28,536.39 × 6,703.50
  4. Step 4: Simplify right side
    19,015.50x = 191,293,690.37
  5. Step 5: Solve for x
    x = 191,293,690.37/19,015.50
  6. Step 6: Final answer
    x = 10,059.88

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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.