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Finding the Fourth Proportional to 18,476.76, 25,498.62 and 10,093.32

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Solution

The fourth proportional to 18,476.76, 25,498.62 and 10,093.32 is: 13,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.76 : 25,498.62 = 10,093.32 : x
  2. Step 2: Convert to fraction form
    18,476.76/25,498.62 = 10,093.32/x
  3. Step 3: Cross multiply
    18,476.76x = 25,498.62 × 10,093.32
  4. Step 4: Simplify right side
    18,476.76x = 257,365,731.22
  5. Step 5: Solve for x
    x = 257,365,731.22/18,476.76
  6. Step 6: Final answer
    x = 13,929.16

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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.