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Finding the Fourth Proportional to 7,048.54, 10,572.78 and 1,783.60

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Solution

The fourth proportional to 7,048.54, 10,572.78 and 1,783.60 is: 2,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.54 : 10,572.78 = 1,783.60 : x
  2. Step 2: Convert to fraction form
    7,048.54/10,572.78 = 1,783.60/x
  3. Step 3: Cross multiply
    7,048.54x = 10,572.78 × 1,783.60
  4. Step 4: Simplify right side
    7,048.54x = 18,857,610.41
  5. Step 5: Solve for x
    x = 18,857,610.41/7,048.54
  6. Step 6: Final answer
    x = 2,675.39

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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.