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Finding the Fourth Proportional to 7,283.01, 10,922.80 and 3,124.98

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Solution

The fourth proportional to 7,283.01, 10,922.80 and 3,124.98 is: 4,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.01 : 10,922.80 = 3,124.98 : x
  2. Step 2: Convert to fraction form
    7,283.01/10,922.80 = 3,124.98/x
  3. Step 3: Cross multiply
    7,283.01x = 10,922.80 × 3,124.98
  4. Step 4: Simplify right side
    7,283.01x = 34,133,531.54
  5. Step 5: Solve for x
    x = 34,133,531.54/7,283.01
  6. Step 6: Final answer
    x = 4,686.73

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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.