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Finding the Fourth Proportional to 19,094.42, 28,641.60 and 10,346.42

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Solution

The fourth proportional to 19,094.42, 28,641.60 and 10,346.42 is: 15,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.42 : 28,641.60 = 10,346.42 : x
  2. Step 2: Convert to fraction form
    19,094.42/28,641.60 = 10,346.42/x
  3. Step 3: Cross multiply
    19,094.42x = 28,641.60 × 10,346.42
  4. Step 4: Simplify right side
    19,094.42x = 296,338,023.07
  5. Step 5: Solve for x
    x = 296,338,023.07/19,094.42
  6. Step 6: Final answer
    x = 15,519.61

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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.