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Finding the Fourth Proportional to 12,238.99, 16,875.02 and 10,347.24

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Solution

The fourth proportional to 12,238.99, 16,875.02 and 10,347.24 is: 14,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.99 : 16,875.02 = 10,347.24 : x
  2. Step 2: Convert to fraction form
    12,238.99/16,875.02 = 10,347.24/x
  3. Step 3: Cross multiply
    12,238.99x = 16,875.02 × 10,347.24
  4. Step 4: Simplify right side
    12,238.99x = 174,609,797.57
  5. Step 5: Solve for x
    x = 174,609,797.57/12,238.99
  6. Step 6: Final answer
    x = 14,266.68

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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.