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Finding the Fourth Proportional to 12,369.50, 17,069.93 and 7,336.19

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Solution

The fourth proportional to 12,369.50, 17,069.93 and 7,336.19 is: 10,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.50 : 17,069.93 = 7,336.19 : x
  2. Step 2: Convert to fraction form
    12,369.50/17,069.93 = 7,336.19/x
  3. Step 3: Cross multiply
    12,369.50x = 17,069.93 × 7,336.19
  4. Step 4: Simplify right side
    12,369.50x = 125,228,127.74
  5. Step 5: Solve for x
    x = 125,228,127.74/12,369.50
  6. Step 6: Final answer
    x = 10,123.95

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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.