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Finding the Fourth Proportional to 53,874.72, 80,812.11 and 14,430.83

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Solution

The fourth proportional to 53,874.72, 80,812.11 and 14,430.83 is: 21,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,874.72 : 80,812.11 = 14,430.83 : x
  2. Step 2: Convert to fraction form
    53,874.72/80,812.11 = 14,430.83/x
  3. Step 3: Cross multiply
    53,874.72x = 80,812.11 × 14,430.83
  4. Step 4: Simplify right side
    53,874.72x = 1,166,185,821.35
  5. Step 5: Solve for x
    x = 1,166,185,821.35/53,874.72
  6. Step 6: Final answer
    x = 21,646.25

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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.