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Finding the Fourth Proportional to 16,115.40, 24,153.90 and 6,755.40

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Solution

The fourth proportional to 16,115.40, 24,153.90 and 6,755.40 is: 10,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.40 : 24,153.90 = 6,755.40 : x
  2. Step 2: Convert to fraction form
    16,115.40/24,153.90 = 6,755.40/x
  3. Step 3: Cross multiply
    16,115.40x = 24,153.90 × 6,755.40
  4. Step 4: Simplify right side
    16,115.40x = 163,169,256.06
  5. Step 5: Solve for x
    x = 163,169,256.06/16,115.40
  6. Step 6: Final answer
    x = 10,125.05

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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.