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Finding the Fourth Proportional to 11,804.71, 17,705.54 and 3,485.60

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Solution

The fourth proportional to 11,804.71, 17,705.54 and 3,485.60 is: 5,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.71 : 17,705.54 = 3,485.60 : x
  2. Step 2: Convert to fraction form
    11,804.71/17,705.54 = 3,485.60/x
  3. Step 3: Cross multiply
    11,804.71x = 17,705.54 × 3,485.60
  4. Step 4: Simplify right side
    11,804.71x = 61,714,430.22
  5. Step 5: Solve for x
    x = 61,714,430.22/11,804.71
  6. Step 6: Final answer
    x = 5,227.95

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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.