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Finding the Fourth Proportional to 23,479.44, 35,242.32 and 15,960

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Solution

The fourth proportional to 23,479.44, 35,242.32 and 15,960 is: 23,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.44 : 35,242.32 = 15,960 : x
  2. Step 2: Convert to fraction form
    23,479.44/35,242.32 = 15,960/x
  3. Step 3: Cross multiply
    23,479.44x = 35,242.32 × 15,960
  4. Step 4: Simplify right side
    23,479.44x = 562,467,427.20
  5. Step 5: Solve for x
    x = 562,467,427.20/23,479.44
  6. Step 6: Final answer
    x = 23,955.74

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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.