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Finding the Fourth Proportional to 15,899.84, 23,858.40 and 6,672.32

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Solution

The fourth proportional to 15,899.84, 23,858.40 and 6,672.32 is: 10,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.84 : 23,858.40 = 6,672.32 : x
  2. Step 2: Convert to fraction form
    15,899.84/23,858.40 = 6,672.32/x
  3. Step 3: Cross multiply
    15,899.84x = 23,858.40 × 6,672.32
  4. Step 4: Simplify right side
    15,899.84x = 159,190,879.49
  5. Step 5: Solve for x
    x = 159,190,879.49/15,899.84
  6. Step 6: Final answer
    x = 10,012.11

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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.