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Finding the Fourth Proportional to 60,809.24, 91,213.86 and 19,253

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Solution

The fourth proportional to 60,809.24, 91,213.86 and 19,253 is: 28,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.24 : 91,213.86 = 19,253 : x
  2. Step 2: Convert to fraction form
    60,809.24/91,213.86 = 19,253/x
  3. Step 3: Cross multiply
    60,809.24x = 91,213.86 × 19,253
  4. Step 4: Simplify right side
    60,809.24x = 1,756,140,446.58
  5. Step 5: Solve for x
    x = 1,756,140,446.58/60,809.24
  6. Step 6: Final answer
    x = 28,879.50

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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.