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Finding the Fourth Proportional to 6,280.46, 9,422.21 and 1,897.65

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Solution

The fourth proportional to 6,280.46, 9,422.21 and 1,897.65 is: 2,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.46 : 9,422.21 = 1,897.65 : x
  2. Step 2: Convert to fraction form
    6,280.46/9,422.21 = 1,897.65/x
  3. Step 3: Cross multiply
    6,280.46x = 9,422.21 × 1,897.65
  4. Step 4: Simplify right side
    6,280.46x = 17,880,056.81
  5. Step 5: Solve for x
    x = 17,880,056.81/6,280.46
  6. Step 6: Final answer
    x = 2,846.93

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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.