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Finding the Fourth Proportional to 19,253.79, 28,873.39 and 7,560.63

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Solution

The fourth proportional to 19,253.79, 28,873.39 and 7,560.63 is: 11,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.79 : 28,873.39 = 7,560.63 : x
  2. Step 2: Convert to fraction form
    19,253.79/28,873.39 = 7,560.63/x
  3. Step 3: Cross multiply
    19,253.79x = 28,873.39 × 7,560.63
  4. Step 4: Simplify right side
    19,253.79x = 218,300,855.37
  5. Step 5: Solve for x
    x = 218,300,855.37/19,253.79
  6. Step 6: Final answer
    x = 11,338.07

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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.