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Finding the Fourth Proportional to 18,637.96, 25,720.24 and 10,573.16

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Solution

The fourth proportional to 18,637.96, 25,720.24 and 10,573.16 is: 14,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.96 : 25,720.24 = 10,573.16 : x
  2. Step 2: Convert to fraction form
    18,637.96/25,720.24 = 10,573.16/x
  3. Step 3: Cross multiply
    18,637.96x = 25,720.24 × 10,573.16
  4. Step 4: Simplify right side
    18,637.96x = 271,944,212.76
  5. Step 5: Solve for x
    x = 271,944,212.76/18,637.96
  6. Step 6: Final answer
    x = 14,590.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.