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Finding the Fourth Proportional to 17,984.57, 24,842.90 and 16,307.87

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Solution

The fourth proportional to 17,984.57, 24,842.90 and 16,307.87 is: 22,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.57 : 24,842.90 = 16,307.87 : x
  2. Step 2: Convert to fraction form
    17,984.57/24,842.90 = 16,307.87/x
  3. Step 3: Cross multiply
    17,984.57x = 24,842.90 × 16,307.87
  4. Step 4: Simplify right side
    17,984.57x = 405,134,700.18
  5. Step 5: Solve for x
    x = 405,134,700.18/17,984.57
  6. Step 6: Final answer
    x = 22,526.80

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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.