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Finding the Fourth Proportional to 14,008.82, 20,983.08 and 6,602.18

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Solution

The fourth proportional to 14,008.82, 20,983.08 and 6,602.18 is: 9,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.82 : 20,983.08 = 6,602.18 : x
  2. Step 2: Convert to fraction form
    14,008.82/20,983.08 = 6,602.18/x
  3. Step 3: Cross multiply
    14,008.82x = 20,983.08 × 6,602.18
  4. Step 4: Simplify right side
    14,008.82x = 138,534,071.11
  5. Step 5: Solve for x
    x = 138,534,071.11/14,008.82
  6. Step 6: Final answer
    x = 9,889.06

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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.