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Finding the Fourth Proportional to 8,495.53, 11,724.56 and 4,719.31

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Solution

The fourth proportional to 8,495.53, 11,724.56 and 4,719.31 is: 6,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.53 : 11,724.56 = 4,719.31 : x
  2. Step 2: Convert to fraction form
    8,495.53/11,724.56 = 4,719.31/x
  3. Step 3: Cross multiply
    8,495.53x = 11,724.56 × 4,719.31
  4. Step 4: Simplify right side
    8,495.53x = 55,331,870.63
  5. Step 5: Solve for x
    x = 55,331,870.63/8,495.53
  6. Step 6: Final answer
    x = 6,513.05

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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.