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Finding the Fourth Proportional to 14,033.36, 19,368.54 and 8,368.49

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Solution

The fourth proportional to 14,033.36, 19,368.54 and 8,368.49 is: 11,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.36 : 19,368.54 = 8,368.49 : x
  2. Step 2: Convert to fraction form
    14,033.36/19,368.54 = 8,368.49/x
  3. Step 3: Cross multiply
    14,033.36x = 19,368.54 × 8,368.49
  4. Step 4: Simplify right side
    14,033.36x = 162,085,294.62
  5. Step 5: Solve for x
    x = 162,085,294.62/14,033.36
  6. Step 6: Final answer
    x = 11,550.00

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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.