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Finding the Fourth Proportional to 14,033.41, 21,039.08 and 7,009.80

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Solution

The fourth proportional to 14,033.41, 21,039.08 and 7,009.80 is: 10,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.41 : 21,039.08 = 7,009.80 : x
  2. Step 2: Convert to fraction form
    14,033.41/21,039.08 = 7,009.80/x
  3. Step 3: Cross multiply
    14,033.41x = 21,039.08 × 7,009.80
  4. Step 4: Simplify right side
    14,033.41x = 147,479,742.98
  5. Step 5: Solve for x
    x = 147,479,742.98/14,033.41
  6. Step 6: Final answer
    x = 10,509.19

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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.