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Finding the Fourth Proportional to 51,471.72, 77,220.08 and 16,411.35

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Solution

The fourth proportional to 51,471.72, 77,220.08 and 16,411.35 is: 24,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,471.72 : 77,220.08 = 16,411.35 : x
  2. Step 2: Convert to fraction form
    51,471.72/77,220.08 = 16,411.35/x
  3. Step 3: Cross multiply
    51,471.72x = 77,220.08 × 16,411.35
  4. Step 4: Simplify right side
    51,471.72x = 1,267,285,759.91
  5. Step 5: Solve for x
    x = 1,267,285,759.91/51,471.72
  6. Step 6: Final answer
    x = 24,621.01

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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.