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Finding the Fourth Proportional to 8,525.67, 12,779.79 and 5,752.62

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Solution

The fourth proportional to 8,525.67, 12,779.79 and 5,752.62 is: 8,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.67 : 12,779.79 = 5,752.62 : x
  2. Step 2: Convert to fraction form
    8,525.67/12,779.79 = 5,752.62/x
  3. Step 3: Cross multiply
    8,525.67x = 12,779.79 × 5,752.62
  4. Step 4: Simplify right side
    8,525.67x = 73,517,275.55
  5. Step 5: Solve for x
    x = 73,517,275.55/8,525.67
  6. Step 6: Final answer
    x = 8,623.05

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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.