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Finding the Fourth Proportional to 66,410.24, 99,603.84 and 17,162.24

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Solution

The fourth proportional to 66,410.24, 99,603.84 and 17,162.24 is: 25,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.24 : 99,603.84 = 17,162.24 : x
  2. Step 2: Convert to fraction form
    66,410.24/99,603.84 = 17,162.24/x
  3. Step 3: Cross multiply
    66,410.24x = 99,603.84 × 17,162.24
  4. Step 4: Simplify right side
    66,410.24x = 1,709,425,007.00
  5. Step 5: Solve for x
    x = 1,709,425,007.00/66,410.24
  6. Step 6: Final answer
    x = 25,740.38

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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.