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Finding the Fourth Proportional to 8,525.58, 12,790.20 and 4,829.58

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Solution

The fourth proportional to 8,525.58, 12,790.20 and 4,829.58 is: 7,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.58 : 12,790.20 = 4,829.58 : x
  2. Step 2: Convert to fraction form
    8,525.58/12,790.20 = 4,829.58/x
  3. Step 3: Cross multiply
    8,525.58x = 12,790.20 × 4,829.58
  4. Step 4: Simplify right side
    8,525.58x = 61,771,294.12
  5. Step 5: Solve for x
    x = 61,771,294.12/8,525.58
  6. Step 6: Final answer
    x = 7,245.41

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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.