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Finding the Fourth Proportional to 12,035.99, 18,047.04 and 4,639.49

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Solution

The fourth proportional to 12,035.99, 18,047.04 and 4,639.49 is: 6,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.99 : 18,047.04 = 4,639.49 : x
  2. Step 2: Convert to fraction form
    12,035.99/18,047.04 = 4,639.49/x
  3. Step 3: Cross multiply
    12,035.99x = 18,047.04 × 4,639.49
  4. Step 4: Simplify right side
    12,035.99x = 83,728,971.37
  5. Step 5: Solve for x
    x = 83,728,971.37/12,035.99
  6. Step 6: Final answer
    x = 6,956.55

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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.