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Finding the Fourth Proportional to 14,010.82, 21,009.94 and 4,146.64

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Solution

The fourth proportional to 14,010.82, 21,009.94 and 4,146.64 is: 6,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.82 : 21,009.94 = 4,146.64 : x
  2. Step 2: Convert to fraction form
    14,010.82/21,009.94 = 4,146.64/x
  3. Step 3: Cross multiply
    14,010.82x = 21,009.94 × 4,146.64
  4. Step 4: Simplify right side
    14,010.82x = 87,120,657.60
  5. Step 5: Solve for x
    x = 87,120,657.60/14,010.82
  6. Step 6: Final answer
    x = 6,218.10

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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.