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Finding the Fourth Proportional to 23,628.58, 32,608.90 and 13,018.20

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Solution

The fourth proportional to 23,628.58, 32,608.90 and 13,018.20 is: 17,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.58 : 32,608.90 = 13,018.20 : x
  2. Step 2: Convert to fraction form
    23,628.58/32,608.90 = 13,018.20/x
  3. Step 3: Cross multiply
    23,628.58x = 32,608.90 × 13,018.20
  4. Step 4: Simplify right side
    23,628.58x = 424,509,181.98
  5. Step 5: Solve for x
    x = 424,509,181.98/23,628.58
  6. Step 6: Final answer
    x = 17,965.92

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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.