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Finding the Fourth Proportional to 39,330.30, 55,101.30 and 39,330.30

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Solution

The fourth proportional to 39,330.30, 55,101.30 and 39,330.30 is: 55,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.30 : 55,101.30 = 39,330.30 : x
  2. Step 2: Convert to fraction form
    39,330.30/55,101.30 = 39,330.30/x
  3. Step 3: Cross multiply
    39,330.30x = 55,101.30 × 39,330.30
  4. Step 4: Simplify right side
    39,330.30x = 2,167,150,659.39
  5. Step 5: Solve for x
    x = 2,167,150,659.39/39,330.30
  6. Step 6: Final answer
    x = 55,101.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.