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Finding the Fourth Proportional to 8,492.86, 11,719.50 and 4,955.62

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Solution

The fourth proportional to 8,492.86, 11,719.50 and 4,955.62 is: 6,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.86 : 11,719.50 = 4,955.62 : x
  2. Step 2: Convert to fraction form
    8,492.86/11,719.50 = 4,955.62/x
  3. Step 3: Cross multiply
    8,492.86x = 11,719.50 × 4,955.62
  4. Step 4: Simplify right side
    8,492.86x = 58,077,388.59
  5. Step 5: Solve for x
    x = 58,077,388.59/8,492.86
  6. Step 6: Final answer
    x = 6,838.38

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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.