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Finding the Fourth Proportional to 56,411.92, 84,619.50 and 16,964.92

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Solution

The fourth proportional to 56,411.92, 84,619.50 and 16,964.92 is: 25,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,411.92 : 84,619.50 = 16,964.92 : x
  2. Step 2: Convert to fraction form
    56,411.92/84,619.50 = 16,964.92/x
  3. Step 3: Cross multiply
    56,411.92x = 84,619.50 × 16,964.92
  4. Step 4: Simplify right side
    56,411.92x = 1,435,563,047.94
  5. Step 5: Solve for x
    x = 1,435,563,047.94/56,411.92
  6. Step 6: Final answer
    x = 25,447.87

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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.