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Finding the Fourth Proportional to 64,500.35, 89,019.54 and 37,657.35

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Solution

The fourth proportional to 64,500.35, 89,019.54 and 37,657.35 is: 51,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,500.35 : 89,019.54 = 37,657.35 : x
  2. Step 2: Convert to fraction form
    64,500.35/89,019.54 = 37,657.35/x
  3. Step 3: Cross multiply
    64,500.35x = 89,019.54 × 37,657.35
  4. Step 4: Simplify right side
    64,500.35x = 3,352,239,974.62
  5. Step 5: Solve for x
    x = 3,352,239,974.62/64,500.35
  6. Step 6: Final answer
    x = 51,972.43

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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.