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Finding the Fourth Proportional to 16,560.84, 24,850.17 and 12,870.48

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Solution

The fourth proportional to 16,560.84, 24,850.17 and 12,870.48 is: 19,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.84 : 24,850.17 = 12,870.48 : x
  2. Step 2: Convert to fraction form
    16,560.84/24,850.17 = 12,870.48/x
  3. Step 3: Cross multiply
    16,560.84x = 24,850.17 × 12,870.48
  4. Step 4: Simplify right side
    16,560.84x = 319,833,615.98
  5. Step 5: Solve for x
    x = 319,833,615.98/16,560.84
  6. Step 6: Final answer
    x = 19,312.64

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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.