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Finding the Fourth Proportional to 14,044.56, 21,066.90 and 3,655.56

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Solution

The fourth proportional to 14,044.56, 21,066.90 and 3,655.56 is: 5,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.56 : 21,066.90 = 3,655.56 : x
  2. Step 2: Convert to fraction form
    14,044.56/21,066.90 = 3,655.56/x
  3. Step 3: Cross multiply
    14,044.56x = 21,066.90 × 3,655.56
  4. Step 4: Simplify right side
    14,044.56x = 77,011,316.96
  5. Step 5: Solve for x
    x = 77,011,316.96/14,044.56
  6. Step 6: Final answer
    x = 5,483.36

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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.