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Finding the Fourth Proportional to 14,047.21, 21,074.48 and 7,026.94

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Solution

The fourth proportional to 14,047.21, 21,074.48 and 7,026.94 is: 10,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.21 : 21,074.48 = 7,026.94 : x
  2. Step 2: Convert to fraction form
    14,047.21/21,074.48 = 7,026.94/x
  3. Step 3: Cross multiply
    14,047.21x = 21,074.48 × 7,026.94
  4. Step 4: Simplify right side
    14,047.21x = 148,089,106.49
  5. Step 5: Solve for x
    x = 148,089,106.49/14,047.21
  6. Step 6: Final answer
    x = 10,542.24

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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.