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Finding the Fourth Proportional to 17,858.70, 24,645.60 and 10,783.71

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Solution

The fourth proportional to 17,858.70, 24,645.60 and 10,783.71 is: 14,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.70 : 24,645.60 = 10,783.71 : x
  2. Step 2: Convert to fraction form
    17,858.70/24,645.60 = 10,783.71/x
  3. Step 3: Cross multiply
    17,858.70x = 24,645.60 × 10,783.71
  4. Step 4: Simplify right side
    17,858.70x = 265,771,003.18
  5. Step 5: Solve for x
    x = 265,771,003.18/17,858.70
  6. Step 6: Final answer
    x = 14,881.88

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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.