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Finding the Fourth Proportional to 14,401.78, 21,602.83 and 4,013.53

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Solution

The fourth proportional to 14,401.78, 21,602.83 and 4,013.53 is: 6,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.78 : 21,602.83 = 4,013.53 : x
  2. Step 2: Convert to fraction form
    14,401.78/21,602.83 = 4,013.53/x
  3. Step 3: Cross multiply
    14,401.78x = 21,602.83 × 4,013.53
  4. Step 4: Simplify right side
    14,401.78x = 86,703,606.29
  5. Step 5: Solve for x
    x = 86,703,606.29/14,401.78
  6. Step 6: Final answer
    x = 6,020.34

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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.