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Finding the Fourth Proportional to 15,656.83, 23,492.83 and 6,890.61

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Solution

The fourth proportional to 15,656.83, 23,492.83 and 6,890.61 is: 10,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.83 : 23,492.83 = 6,890.61 : x
  2. Step 2: Convert to fraction form
    15,656.83/23,492.83 = 6,890.61/x
  3. Step 3: Cross multiply
    15,656.83x = 23,492.83 × 6,890.61
  4. Step 4: Simplify right side
    15,656.83x = 161,879,811.86
  5. Step 5: Solve for x
    x = 161,879,811.86/15,656.83
  6. Step 6: Final answer
    x = 10,339.25

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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.