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Finding the Fourth Proportional to 16,655.64, 24,955.44 and 7,761.39

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Solution

The fourth proportional to 16,655.64, 24,955.44 and 7,761.39 is: 11,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.64 : 24,955.44 = 7,761.39 : x
  2. Step 2: Convert to fraction form
    16,655.64/24,955.44 = 7,761.39/x
  3. Step 3: Cross multiply
    16,655.64x = 24,955.44 × 7,761.39
  4. Step 4: Simplify right side
    16,655.64x = 193,688,902.46
  5. Step 5: Solve for x
    x = 193,688,902.46/16,655.64
  6. Step 6: Final answer
    x = 11,629.03

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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.