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Finding the Fourth Proportional to 23,478.63, 35,195.76 and 7,885.32

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Solution

The fourth proportional to 23,478.63, 35,195.76 and 7,885.32 is: 11,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.63 : 35,195.76 = 7,885.32 : x
  2. Step 2: Convert to fraction form
    23,478.63/35,195.76 = 7,885.32/x
  3. Step 3: Cross multiply
    23,478.63x = 35,195.76 × 7,885.32
  4. Step 4: Simplify right side
    23,478.63x = 277,529,830.24
  5. Step 5: Solve for x
    x = 277,529,830.24/23,478.63
  6. Step 6: Final answer
    x = 11,820.53

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1.5x scale

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.