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Finding the Fourth Proportional to 10,999.77, 16,501.70 and 3,604.60

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Solution

The fourth proportional to 10,999.77, 16,501.70 and 3,604.60 is: 5,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.77 : 16,501.70 = 3,604.60 : x
  2. Step 2: Convert to fraction form
    10,999.77/16,501.70 = 3,604.60/x
  3. Step 3: Cross multiply
    10,999.77x = 16,501.70 × 3,604.60
  4. Step 4: Simplify right side
    10,999.77x = 59,482,027.82
  5. Step 5: Solve for x
    x = 59,482,027.82/10,999.77
  6. Step 6: Final answer
    x = 5,407.57

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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.