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Finding the Fourth Proportional to 64,740, 97,110.06 and 37,018.56

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Solution

The fourth proportional to 64,740, 97,110.06 and 37,018.56 is: 55,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740 : 97,110.06 = 37,018.56 : x
  2. Step 2: Convert to fraction form
    64,740/97,110.06 = 37,018.56/x
  3. Step 3: Cross multiply
    64,740x = 97,110.06 × 37,018.56
  4. Step 4: Simplify right side
    64,740x = 3,594,874,582.71
  5. Step 5: Solve for x
    x = 3,594,874,582.71/64,740
  6. Step 6: Final answer
    x = 55,527.87

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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.