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Finding the Fourth Proportional to 7,883.08, 10,879.20 and 4,526.86

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Solution

The fourth proportional to 7,883.08, 10,879.20 and 4,526.86 is: 6,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.08 : 10,879.20 = 4,526.86 : x
  2. Step 2: Convert to fraction form
    7,883.08/10,879.20 = 4,526.86/x
  3. Step 3: Cross multiply
    7,883.08x = 10,879.20 × 4,526.86
  4. Step 4: Simplify right side
    7,883.08x = 49,248,615.31
  5. Step 5: Solve for x
    x = 49,248,615.31/7,883.08
  6. Step 6: Final answer
    x = 6,247.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.