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Finding the Fourth Proportional to 17,374.80, 26,069.88 and 7,006.80

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Solution

The fourth proportional to 17,374.80, 26,069.88 and 7,006.80 is: 10,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.80 : 26,069.88 = 7,006.80 : x
  2. Step 2: Convert to fraction form
    17,374.80/26,069.88 = 7,006.80/x
  3. Step 3: Cross multiply
    17,374.80x = 26,069.88 × 7,006.80
  4. Step 4: Simplify right side
    17,374.80x = 182,666,435.18
  5. Step 5: Solve for x
    x = 182,666,435.18/17,374.80
  6. Step 6: Final answer
    x = 10,513.30

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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.