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Finding the Fourth Proportional to 39,465.80, 58,910.80 and 34,483.49

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Solution

The fourth proportional to 39,465.80, 58,910.80 and 34,483.49 is: 51,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.80 : 58,910.80 = 34,483.49 : x
  2. Step 2: Convert to fraction form
    39,465.80/58,910.80 = 34,483.49/x
  3. Step 3: Cross multiply
    39,465.80x = 58,910.80 × 34,483.49
  4. Step 4: Simplify right side
    39,465.80x = 2,031,449,984.49
  5. Step 5: Solve for x
    x = 2,031,449,984.49/39,465.80
  6. Step 6: Final answer
    x = 51,473.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.