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Finding the Fourth Proportional to 44,815.20, 61,900.40 and 32,859.60

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Solution

The fourth proportional to 44,815.20, 61,900.40 and 32,859.60 is: 45,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,815.20 : 61,900.40 = 32,859.60 : x
  2. Step 2: Convert to fraction form
    44,815.20/61,900.40 = 32,859.60/x
  3. Step 3: Cross multiply
    44,815.20x = 61,900.40 × 32,859.60
  4. Step 4: Simplify right side
    44,815.20x = 2,034,022,383.84
  5. Step 5: Solve for x
    x = 2,034,022,383.84/44,815.20
  6. Step 6: Final answer
    x = 45,386.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.