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Finding the Fourth Proportional to 53,748.81, 80,630.10 and 17,713.19

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Solution

The fourth proportional to 53,748.81, 80,630.10 and 17,713.19 is: 26,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.81 : 80,630.10 = 17,713.19 : x
  2. Step 2: Convert to fraction form
    53,748.81/80,630.10 = 17,713.19/x
  3. Step 3: Cross multiply
    53,748.81x = 80,630.10 × 17,713.19
  4. Step 4: Simplify right side
    53,748.81x = 1,428,216,482.59
  5. Step 5: Solve for x
    x = 1,428,216,482.59/53,748.81
  6. Step 6: Final answer
    x = 26,572.06

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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.