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Finding the Fourth Proportional to 67,415.99, 101,123.17 and 17,491.64

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Solution

The fourth proportional to 67,415.99, 101,123.17 and 17,491.64 is: 26,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415.99 : 101,123.17 = 17,491.64 : x
  2. Step 2: Convert to fraction form
    67,415.99/101,123.17 = 17,491.64/x
  3. Step 3: Cross multiply
    67,415.99x = 101,123.17 × 17,491.64
  4. Step 4: Simplify right side
    67,415.99x = 1,768,809,535.95
  5. Step 5: Solve for x
    x = 1,768,809,535.95/67,415.99
  6. Step 6: Final answer
    x = 26,237.24

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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.