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Finding the Fourth Proportional to 35,282.64, 52,882.92 and 13,078.92

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Solution

The fourth proportional to 35,282.64, 52,882.92 and 13,078.92 is: 19,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.64 : 52,882.92 = 13,078.92 : x
  2. Step 2: Convert to fraction form
    35,282.64/52,882.92 = 13,078.92/x
  3. Step 3: Cross multiply
    35,282.64x = 52,882.92 × 13,078.92
  4. Step 4: Simplify right side
    35,282.64x = 691,651,480.05
  5. Step 5: Solve for x
    x = 691,651,480.05/35,282.64
  6. Step 6: Final answer
    x = 19,603.17

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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.