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Finding the Fourth Proportional to 12,955.26, 19,445.02 and 5,939.04

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Solution

The fourth proportional to 12,955.26, 19,445.02 and 5,939.04 is: 8,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.26 : 19,445.02 = 5,939.04 : x
  2. Step 2: Convert to fraction form
    12,955.26/19,445.02 = 5,939.04/x
  3. Step 3: Cross multiply
    12,955.26x = 19,445.02 × 5,939.04
  4. Step 4: Simplify right side
    12,955.26x = 115,484,751.58
  5. Step 5: Solve for x
    x = 115,484,751.58/12,955.26
  6. Step 6: Final answer
    x = 8,914.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.