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Finding the Fourth Proportional to 64,612.44, 89,152.10 and 37,749.76

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Solution

The fourth proportional to 64,612.44, 89,152.10 and 37,749.76 is: 52,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,612.44 : 89,152.10 = 37,749.76 : x
  2. Step 2: Convert to fraction form
    64,612.44/89,152.10 = 37,749.76/x
  3. Step 3: Cross multiply
    64,612.44x = 89,152.10 × 37,749.76
  4. Step 4: Simplify right side
    64,612.44x = 3,365,470,378.50
  5. Step 5: Solve for x
    x = 3,365,470,378.50/64,612.44
  6. Step 6: Final answer
    x = 52,087.03

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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.