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Finding the Fourth Proportional to 58,911.60, 88,221.60 and 37,819.20

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Solution

The fourth proportional to 58,911.60, 88,221.60 and 37,819.20 is: 56,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,911.60 : 88,221.60 = 37,819.20 : x
  2. Step 2: Convert to fraction form
    58,911.60/88,221.60 = 37,819.20/x
  3. Step 3: Cross multiply
    58,911.60x = 88,221.60 × 37,819.20
  4. Step 4: Simplify right side
    58,911.60x = 3,336,470,334.72
  5. Step 5: Solve for x
    x = 3,336,470,334.72/58,911.60
  6. Step 6: Final answer
    x = 56,635.20

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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.