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Finding the Fourth Proportional to 60,919.84, 91,378.80 and 19,366.24

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Solution

The fourth proportional to 60,919.84, 91,378.80 and 19,366.24 is: 29,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,919.84 : 91,378.80 = 19,366.24 : x
  2. Step 2: Convert to fraction form
    60,919.84/91,378.80 = 19,366.24/x
  3. Step 3: Cross multiply
    60,919.84x = 91,378.80 × 19,366.24
  4. Step 4: Simplify right side
    60,919.84x = 1,769,663,771.71
  5. Step 5: Solve for x
    x = 1,769,663,771.71/60,919.84
  6. Step 6: Final answer
    x = 29,049.05

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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.