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Finding the Fourth Proportional to 16,355.70, 24,533.55 and 8,458.20

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Solution

The fourth proportional to 16,355.70, 24,533.55 and 8,458.20 is: 12,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.70 : 24,533.55 = 8,458.20 : x
  2. Step 2: Convert to fraction form
    16,355.70/24,533.55 = 8,458.20/x
  3. Step 3: Cross multiply
    16,355.70x = 24,533.55 × 8,458.20
  4. Step 4: Simplify right side
    16,355.70x = 207,509,672.61
  5. Step 5: Solve for x
    x = 207,509,672.61/16,355.70
  6. Step 6: Final answer
    x = 12,687.30

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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.