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Finding the Fourth Proportional to 17,809.96, 24,579.56 and 10,256.68

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Solution

The fourth proportional to 17,809.96, 24,579.56 and 10,256.68 is: 14,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.96 : 24,579.56 = 10,256.68 : x
  2. Step 2: Convert to fraction form
    17,809.96/24,579.56 = 10,256.68/x
  3. Step 3: Cross multiply
    17,809.96x = 24,579.56 × 10,256.68
  4. Step 4: Simplify right side
    17,809.96x = 252,104,681.46
  5. Step 5: Solve for x
    x = 252,104,681.46/17,809.96
  6. Step 6: Final answer
    x = 14,155.26

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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.