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Finding the Fourth Proportional to 53,743.76, 80,615.53 and 14,300.88

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Solution

The fourth proportional to 53,743.76, 80,615.53 and 14,300.88 is: 21,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.76 : 80,615.53 = 14,300.88 : x
  2. Step 2: Convert to fraction form
    53,743.76/80,615.53 = 14,300.88/x
  3. Step 3: Cross multiply
    53,743.76x = 80,615.53 × 14,300.88
  4. Step 4: Simplify right side
    53,743.76x = 1,152,873,020.67
  5. Step 5: Solve for x
    x = 1,152,873,020.67/53,743.76
  6. Step 6: Final answer
    x = 21,451.29

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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.