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Finding the Fourth Proportional to 12,392.49, 17,096.06 and 7,356.93

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Solution

The fourth proportional to 12,392.49, 17,096.06 and 7,356.93 is: 10,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.49 : 17,096.06 = 7,356.93 : x
  2. Step 2: Convert to fraction form
    12,392.49/17,096.06 = 7,356.93/x
  3. Step 3: Cross multiply
    12,392.49x = 17,096.06 × 7,356.93
  4. Step 4: Simplify right side
    12,392.49x = 125,774,516.70
  5. Step 5: Solve for x
    x = 125,774,516.70/12,392.49
  6. Step 6: Final answer
    x = 10,149.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.