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Finding the Fourth Proportional to 45,435.94, 68,164.94 and 14,271.19

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Solution

The fourth proportional to 45,435.94, 68,164.94 and 14,271.19 is: 21,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.94 : 68,164.94 = 14,271.19 : x
  2. Step 2: Convert to fraction form
    45,435.94/68,164.94 = 14,271.19/x
  3. Step 3: Cross multiply
    45,435.94x = 68,164.94 × 14,271.19
  4. Step 4: Simplify right side
    45,435.94x = 972,794,675.34
  5. Step 5: Solve for x
    x = 972,794,675.34/45,435.94
  6. Step 6: Final answer
    x = 21,410.25

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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.