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Finding the Fourth Proportional to 16,520.78, 24,785.03 and 4,834.91

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Solution

The fourth proportional to 16,520.78, 24,785.03 and 4,834.91 is: 7,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.78 : 24,785.03 = 4,834.91 : x
  2. Step 2: Convert to fraction form
    16,520.78/24,785.03 = 4,834.91/x
  3. Step 3: Cross multiply
    16,520.78x = 24,785.03 × 4,834.91
  4. Step 4: Simplify right side
    16,520.78x = 119,833,427.19
  5. Step 5: Solve for x
    x = 119,833,427.19/16,520.78
  6. Step 6: Final answer
    x = 7,253.50

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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.