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Finding the Fourth Proportional to 56,485.84, 84,737.88 and 19,049.24

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Solution

The fourth proportional to 56,485.84, 84,737.88 and 19,049.24 is: 28,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485.84 : 84,737.88 = 19,049.24 : x
  2. Step 2: Convert to fraction form
    56,485.84/84,737.88 = 19,049.24/x
  3. Step 3: Cross multiply
    56,485.84x = 84,737.88 × 19,049.24
  4. Step 4: Simplify right side
    56,485.84x = 1,614,192,213.21
  5. Step 5: Solve for x
    x = 1,614,192,213.21/56,485.84
  6. Step 6: Final answer
    x = 28,576.94

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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.