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Finding the Fourth Proportional to 13,474.64, 18,594.98 and 7,506.26

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Solution

The fourth proportional to 13,474.64, 18,594.98 and 7,506.26 is: 10,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.64 : 18,594.98 = 7,506.26 : x
  2. Step 2: Convert to fraction form
    13,474.64/18,594.98 = 7,506.26/x
  3. Step 3: Cross multiply
    13,474.64x = 18,594.98 × 7,506.26
  4. Step 4: Simplify right side
    13,474.64x = 139,578,754.57
  5. Step 5: Solve for x
    x = 139,578,754.57/13,474.64
  6. Step 6: Final answer
    x = 10,358.63

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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.