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Finding the Fourth Proportional to 43,619.26, 65,428.91 and 14,037.08

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Solution

The fourth proportional to 43,619.26, 65,428.91 and 14,037.08 is: 21,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619.26 : 65,428.91 = 14,037.08 : x
  2. Step 2: Convert to fraction form
    43,619.26/65,428.91 = 14,037.08/x
  3. Step 3: Cross multiply
    43,619.26x = 65,428.91 × 14,037.08
  4. Step 4: Simplify right side
    43,619.26x = 918,431,130.31
  5. Step 5: Solve for x
    x = 918,431,130.31/43,619.26
  6. Step 6: Final answer
    x = 21,055.63

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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.