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Finding the Fourth Proportional to 64,018.48, 96,029.40 and 37,742.08

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Solution

The fourth proportional to 64,018.48, 96,029.40 and 37,742.08 is: 56,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.48 : 96,029.40 = 37,742.08 : x
  2. Step 2: Convert to fraction form
    64,018.48/96,029.40 = 37,742.08/x
  3. Step 3: Cross multiply
    64,018.48x = 96,029.40 × 37,742.08
  4. Step 4: Simplify right side
    64,018.48x = 3,624,349,297.15
  5. Step 5: Solve for x
    x = 3,624,349,297.15/64,018.48
  6. Step 6: Final answer
    x = 56,614.11

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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.