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Finding the Fourth Proportional to 17,596.40, 26,394.60 and 7,215.60

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Solution

The fourth proportional to 17,596.40, 26,394.60 and 7,215.60 is: 10,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,596.40 : 26,394.60 = 7,215.60 : x
  2. Step 2: Convert to fraction form
    17,596.40/26,394.60 = 7,215.60/x
  3. Step 3: Cross multiply
    17,596.40x = 26,394.60 × 7,215.60
  4. Step 4: Simplify right side
    17,596.40x = 190,452,875.76
  5. Step 5: Solve for x
    x = 190,452,875.76/17,596.40
  6. Step 6: Final answer
    x = 10,823.40

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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.