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Finding the Fourth Proportional to 53,726.48, 80,590.48 and 18,666.96

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Solution

The fourth proportional to 53,726.48, 80,590.48 and 18,666.96 is: 28,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.48 : 80,590.48 = 18,666.96 : x
  2. Step 2: Convert to fraction form
    53,726.48/80,590.48 = 18,666.96/x
  3. Step 3: Cross multiply
    53,726.48x = 80,590.48 × 18,666.96
  4. Step 4: Simplify right side
    53,726.48x = 1,504,379,266.54
  5. Step 5: Solve for x
    x = 1,504,379,266.54/53,726.48
  6. Step 6: Final answer
    x = 28,000.70

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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.