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Finding the Fourth Proportional to 64,612.53, 89,152.22 and 37,749.85

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Solution

The fourth proportional to 64,612.53, 89,152.22 and 37,749.85 is: 52,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,612.53 : 89,152.22 = 37,749.85 : x
  2. Step 2: Convert to fraction form
    64,612.53/89,152.22 = 37,749.85/x
  3. Step 3: Cross multiply
    64,612.53x = 89,152.22 × 37,749.85
  4. Step 4: Simplify right side
    64,612.53x = 3,365,483,137.98
  5. Step 5: Solve for x
    x = 3,365,483,137.98/64,612.53
  6. Step 6: Final answer
    x = 52,087.16

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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.