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Finding the Fourth Proportional to 14,161.04, 21,241 and 4,801.76

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Solution

The fourth proportional to 14,161.04, 21,241 and 4,801.76 is: 7,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.04 : 21,241 = 4,801.76 : x
  2. Step 2: Convert to fraction form
    14,161.04/21,241 = 4,801.76/x
  3. Step 3: Cross multiply
    14,161.04x = 21,241 × 4,801.76
  4. Step 4: Simplify right side
    14,161.04x = 101,994,184.16
  5. Step 5: Solve for x
    x = 101,994,184.16/14,161.04
  6. Step 6: Final answer
    x = 7,202.45

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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.