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Finding the Fourth Proportional to 8,496.60, 11,724.92 and 4,720.01

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Solution

The fourth proportional to 8,496.60, 11,724.92 and 4,720.01 is: 6,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.60 : 11,724.92 = 4,720.01 : x
  2. Step 2: Convert to fraction form
    8,496.60/11,724.92 = 4,720.01/x
  3. Step 3: Cross multiply
    8,496.60x = 11,724.92 × 4,720.01
  4. Step 4: Simplify right side
    8,496.60x = 55,341,739.65
  5. Step 5: Solve for x
    x = 55,341,739.65/8,496.60
  6. Step 6: Final answer
    x = 6,513.40

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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.