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Finding the Fourth Proportional to 19,417.80, 26,803.72 and 17,052.96

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Solution

The fourth proportional to 19,417.80, 26,803.72 and 17,052.96 is: 23,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.80 : 26,803.72 = 17,052.96 : x
  2. Step 2: Convert to fraction form
    19,417.80/26,803.72 = 17,052.96/x
  3. Step 3: Cross multiply
    19,417.80x = 26,803.72 × 17,052.96
  4. Step 4: Simplify right side
    19,417.80x = 457,082,765.01
  5. Step 5: Solve for x
    x = 457,082,765.01/19,417.80
  6. Step 6: Final answer
    x = 23,539.37

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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.