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Finding the Fourth Proportional to 16,762.40, 25,125.60 and 5,658.80

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Solution

The fourth proportional to 16,762.40, 25,125.60 and 5,658.80 is: 8,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.40 : 25,125.60 = 5,658.80 : x
  2. Step 2: Convert to fraction form
    16,762.40/25,125.60 = 5,658.80/x
  3. Step 3: Cross multiply
    16,762.40x = 25,125.60 × 5,658.80
  4. Step 4: Simplify right side
    16,762.40x = 142,180,745.28
  5. Step 5: Solve for x
    x = 142,180,745.28/16,762.40
  6. Step 6: Final answer
    x = 8,482.12

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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.