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Finding the Fourth Proportional to 23,485.74, 35,228.37 and 7,069.74

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Solution

The fourth proportional to 23,485.74, 35,228.37 and 7,069.74 is: 10,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,485.74 : 35,228.37 = 7,069.74 : x
  2. Step 2: Convert to fraction form
    23,485.74/35,228.37 = 7,069.74/x
  3. Step 3: Cross multiply
    23,485.74x = 35,228.37 × 7,069.74
  4. Step 4: Simplify right side
    23,485.74x = 249,055,416.52
  5. Step 5: Solve for x
    x = 249,055,416.52/23,485.74
  6. Step 6: Final answer
    x = 10,604.54

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Double scale
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Similar ratio
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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.