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Finding the Fourth Proportional to 51,394.60, 70,842.50 and 41,946.92

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Solution

The fourth proportional to 51,394.60, 70,842.50 and 41,946.92 is: 57,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,394.60 : 70,842.50 = 41,946.92 : x
  2. Step 2: Convert to fraction form
    51,394.60/70,842.50 = 41,946.92/x
  3. Step 3: Cross multiply
    51,394.60x = 70,842.50 × 41,946.92
  4. Step 4: Simplify right side
    51,394.60x = 2,971,624,680.10
  5. Step 5: Solve for x
    x = 2,971,624,680.10/51,394.60
  6. Step 6: Final answer
    x = 57,819.78

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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.