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Finding the Fourth Proportional to 8,506.66, 11,739.24 and 4,730.18

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Solution

The fourth proportional to 8,506.66, 11,739.24 and 4,730.18 is: 6,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.66 : 11,739.24 = 4,730.18 : x
  2. Step 2: Convert to fraction form
    8,506.66/11,739.24 = 4,730.18/x
  3. Step 3: Cross multiply
    8,506.66x = 11,739.24 × 4,730.18
  4. Step 4: Simplify right side
    8,506.66x = 55,528,718.26
  5. Step 5: Solve for x
    x = 55,528,718.26/8,506.66
  6. Step 6: Final answer
    x = 6,527.68

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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.