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Finding the Fourth Proportional to 14,047.26, 21,055.41 and 7,019.34

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Solution

The fourth proportional to 14,047.26, 21,055.41 and 7,019.34 is: 10,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.26 : 21,055.41 = 7,019.34 : x
  2. Step 2: Convert to fraction form
    14,047.26/21,055.41 = 7,019.34/x
  3. Step 3: Cross multiply
    14,047.26x = 21,055.41 × 7,019.34
  4. Step 4: Simplify right side
    14,047.26x = 147,795,081.63
  5. Step 5: Solve for x
    x = 147,795,081.63/14,047.26
  6. Step 6: Final answer
    x = 10,521.27

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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.