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Finding the Fourth Proportional to 13,596.26, 18,762.88 and 7,934.90

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Solution

The fourth proportional to 13,596.26, 18,762.88 and 7,934.90 is: 10,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.26 : 18,762.88 = 7,934.90 : x
  2. Step 2: Convert to fraction form
    13,596.26/18,762.88 = 7,934.90/x
  3. Step 3: Cross multiply
    13,596.26x = 18,762.88 × 7,934.90
  4. Step 4: Simplify right side
    13,596.26x = 148,881,576.51
  5. Step 5: Solve for x
    x = 148,881,576.51/13,596.26
  6. Step 6: Final answer
    x = 10,950.19

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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.