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Finding the Fourth Proportional to 56,366.91, 84,551.75 and 18,928.22

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Solution

The fourth proportional to 56,366.91, 84,551.75 and 18,928.22 is: 28,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366.91 : 84,551.75 = 18,928.22 : x
  2. Step 2: Convert to fraction form
    56,366.91/84,551.75 = 18,928.22/x
  3. Step 3: Cross multiply
    56,366.91x = 84,551.75 × 18,928.22
  4. Step 4: Simplify right side
    56,366.91x = 1,600,413,607.99
  5. Step 5: Solve for x
    x = 1,600,413,607.99/56,366.91
  6. Step 6: Final answer
    x = 28,392.79

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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.