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Finding the Fourth Proportional to 53,073.84, 79,618.08 and 18,004.08

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Solution

The fourth proportional to 53,073.84, 79,618.08 and 18,004.08 is: 27,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.84 : 79,618.08 = 18,004.08 : x
  2. Step 2: Convert to fraction form
    53,073.84/79,618.08 = 18,004.08/x
  3. Step 3: Cross multiply
    53,073.84x = 79,618.08 × 18,004.08
  4. Step 4: Simplify right side
    53,073.84x = 1,433,450,281.77
  5. Step 5: Solve for x
    x = 1,433,450,281.77/53,073.84
  6. Step 6: Final answer
    x = 27,008.60

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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.