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Finding the Fourth Proportional to 28,047.63, 38,704.28 and 17,437.08

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Solution

The fourth proportional to 28,047.63, 38,704.28 and 17,437.08 is: 24,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.63 : 38,704.28 = 17,437.08 : x
  2. Step 2: Convert to fraction form
    28,047.63/38,704.28 = 17,437.08/x
  3. Step 3: Cross multiply
    28,047.63x = 38,704.28 × 17,437.08
  4. Step 4: Simplify right side
    28,047.63x = 674,889,539.52
  5. Step 5: Solve for x
    x = 674,889,539.52/28,047.63
  6. Step 6: Final answer
    x = 24,062.27

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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.