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Finding the Fourth Proportional to 30,134.56, 41,585.60 and 16,886.56

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Solution

The fourth proportional to 30,134.56, 41,585.60 and 16,886.56 is: 23,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.56 : 41,585.60 = 16,886.56 : x
  2. Step 2: Convert to fraction form
    30,134.56/41,585.60 = 16,886.56/x
  3. Step 3: Cross multiply
    30,134.56x = 41,585.60 × 16,886.56
  4. Step 4: Simplify right side
    30,134.56x = 702,237,729.54
  5. Step 5: Solve for x
    x = 702,237,729.54/30,134.56
  6. Step 6: Final answer
    x = 23,303.40

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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.