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Finding the Fourth Proportional to 19,903.40, 27,466.11 and 10,950.90

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Solution

The fourth proportional to 19,903.40, 27,466.11 and 10,950.90 is: 15,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.40 : 27,466.11 = 10,950.90 : x
  2. Step 2: Convert to fraction form
    19,903.40/27,466.11 = 10,950.90/x
  3. Step 3: Cross multiply
    19,903.40x = 27,466.11 × 10,950.90
  4. Step 4: Simplify right side
    19,903.40x = 300,778,624.00
  5. Step 5: Solve for x
    x = 300,778,624.00/19,903.40
  6. Step 6: Final answer
    x = 15,111.92

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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.