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Finding the Fourth Proportional to 2,706.34, 4,059.54 and 974.98

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Solution

The fourth proportional to 2,706.34, 4,059.54 and 974.98 is: 1,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.34 : 4,059.54 = 974.98 : x
  2. Step 2: Convert to fraction form
    2,706.34/4,059.54 = 974.98/x
  3. Step 3: Cross multiply
    2,706.34x = 4,059.54 × 974.98
  4. Step 4: Simplify right side
    2,706.34x = 3,957,970.31
  5. Step 5: Solve for x
    x = 3,957,970.31/2,706.34
  6. Step 6: Final answer
    x = 1,462.48

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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.