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Finding the Fourth Proportional to 16,897.68, 25,346.52 and 7,026.21

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Solution

The fourth proportional to 16,897.68, 25,346.52 and 7,026.21 is: 10,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.68 : 25,346.52 = 7,026.21 : x
  2. Step 2: Convert to fraction form
    16,897.68/25,346.52 = 7,026.21/x
  3. Step 3: Cross multiply
    16,897.68x = 25,346.52 × 7,026.21
  4. Step 4: Simplify right side
    16,897.68x = 178,089,972.29
  5. Step 5: Solve for x
    x = 178,089,972.29/16,897.68
  6. Step 6: Final answer
    x = 10,539.32

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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.