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Finding the Fourth Proportional to 14,186.06, 21,280.68 and 4,827.06

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Solution

The fourth proportional to 14,186.06, 21,280.68 and 4,827.06 is: 7,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.06 : 21,280.68 = 4,827.06 : x
  2. Step 2: Convert to fraction form
    14,186.06/21,280.68 = 4,827.06/x
  3. Step 3: Cross multiply
    14,186.06x = 21,280.68 × 4,827.06
  4. Step 4: Simplify right side
    14,186.06x = 102,723,119.20
  5. Step 5: Solve for x
    x = 102,723,119.20/14,186.06
  6. Step 6: Final answer
    x = 7,241.13

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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.