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Finding the Fourth Proportional to 14,323.50, 19,766.43 and 8,036.01

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Solution

The fourth proportional to 14,323.50, 19,766.43 and 8,036.01 is: 11,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.50 : 19,766.43 = 8,036.01 : x
  2. Step 2: Convert to fraction form
    14,323.50/19,766.43 = 8,036.01/x
  3. Step 3: Cross multiply
    14,323.50x = 19,766.43 × 8,036.01
  4. Step 4: Simplify right side
    14,323.50x = 158,843,229.14
  5. Step 5: Solve for x
    x = 158,843,229.14/14,323.50
  6. Step 6: Final answer
    x = 11,089.69

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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.