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Finding the Fourth Proportional to 10,595.92, 14,621.72 and 5,879.92

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Solution

The fourth proportional to 10,595.92, 14,621.72 and 5,879.92 is: 8,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595.92 : 14,621.72 = 5,879.92 : x
  2. Step 2: Convert to fraction form
    10,595.92/14,621.72 = 5,879.92/x
  3. Step 3: Cross multiply
    10,595.92x = 14,621.72 × 5,879.92
  4. Step 4: Simplify right side
    10,595.92x = 85,974,543.86
  5. Step 5: Solve for x
    x = 85,974,543.86/10,595.92
  6. Step 6: Final answer
    x = 8,113.93

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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.