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Finding the Fourth Proportional to 11,055.67, 16,573.08 and 5,503.77

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Solution

The fourth proportional to 11,055.67, 16,573.08 and 5,503.77 is: 8,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.67 : 16,573.08 = 5,503.77 : x
  2. Step 2: Convert to fraction form
    11,055.67/16,573.08 = 5,503.77/x
  3. Step 3: Cross multiply
    11,055.67x = 16,573.08 × 5,503.77
  4. Step 4: Simplify right side
    11,055.67x = 91,214,420.51
  5. Step 5: Solve for x
    x = 91,214,420.51/11,055.67
  6. Step 6: Final answer
    x = 8,250.47

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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.