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Finding the Fourth Proportional to 8,385.86, 12,525.20 and 7,594.08

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Solution

The fourth proportional to 8,385.86, 12,525.20 and 7,594.08 is: 11,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.86 : 12,525.20 = 7,594.08 : x
  2. Step 2: Convert to fraction form
    8,385.86/12,525.20 = 7,594.08/x
  3. Step 3: Cross multiply
    8,385.86x = 12,525.20 × 7,594.08
  4. Step 4: Simplify right side
    8,385.86x = 95,117,332.85
  5. Step 5: Solve for x
    x = 95,117,332.85/8,385.86
  6. Step 6: Final answer
    x = 11,342.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.