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Finding the Fourth Proportional to 53,459.01, 80,189.13 and 14,020.11

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Solution

The fourth proportional to 53,459.01, 80,189.13 and 14,020.11 is: 21,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.01 : 80,189.13 = 14,020.11 : x
  2. Step 2: Convert to fraction form
    53,459.01/80,189.13 = 14,020.11/x
  3. Step 3: Cross multiply
    53,459.01x = 80,189.13 × 14,020.11
  4. Step 4: Simplify right side
    53,459.01x = 1,124,260,423.40
  5. Step 5: Solve for x
    x = 1,124,260,423.40/53,459.01
  6. Step 6: Final answer
    x = 21,030.33

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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.