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Finding the Fourth Proportional to 10,003.68, 13,804.08 and 5,810.88

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Solution

The fourth proportional to 10,003.68, 13,804.08 and 5,810.88 is: 8,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.68 : 13,804.08 = 5,810.88 : x
  2. Step 2: Convert to fraction form
    10,003.68/13,804.08 = 5,810.88/x
  3. Step 3: Cross multiply
    10,003.68x = 13,804.08 × 5,810.88
  4. Step 4: Simplify right side
    10,003.68x = 80,213,852.39
  5. Step 5: Solve for x
    x = 80,213,852.39/10,003.68
  6. Step 6: Final answer
    x = 8,018.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.