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Finding the Fourth Proportional to 17,885.76, 26,935.73 and 16,289.64

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Solution

The fourth proportional to 17,885.76, 26,935.73 and 16,289.64 is: 24,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.76 : 26,935.73 = 16,289.64 : x
  2. Step 2: Convert to fraction form
    17,885.76/26,935.73 = 16,289.64/x
  3. Step 3: Cross multiply
    17,885.76x = 26,935.73 × 16,289.64
  4. Step 4: Simplify right side
    17,885.76x = 438,773,344.84
  5. Step 5: Solve for x
    x = 438,773,344.84/17,885.76
  6. Step 6: Final answer
    x = 24,531.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.