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Finding the Fourth Proportional to 5,099.61, 7,653.89 and 4,271.79

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Solution

The fourth proportional to 5,099.61, 7,653.89 and 4,271.79 is: 6,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.61 : 7,653.89 = 4,271.79 : x
  2. Step 2: Convert to fraction form
    5,099.61/7,653.89 = 4,271.79/x
  3. Step 3: Cross multiply
    5,099.61x = 7,653.89 × 4,271.79
  4. Step 4: Simplify right side
    5,099.61x = 32,695,807.09
  5. Step 5: Solve for x
    x = 32,695,807.09/5,099.61
  6. Step 6: Final answer
    x = 6,411.44

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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.