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Finding the Fourth Proportional to 69,459.64, 104,142.03 and 33,417.07

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Solution

The fourth proportional to 69,459.64, 104,142.03 and 33,417.07 is: 50,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.64 : 104,142.03 = 33,417.07 : x
  2. Step 2: Convert to fraction form
    69,459.64/104,142.03 = 33,417.07/x
  3. Step 3: Cross multiply
    69,459.64x = 104,142.03 × 33,417.07
  4. Step 4: Simplify right side
    69,459.64x = 3,480,121,506.45
  5. Step 5: Solve for x
    x = 3,480,121,506.45/69,459.64
  6. Step 6: Final answer
    x = 50,102.79

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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.