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Finding the Fourth Proportional to 64,218.51, 96,264.50 and 37,530.63

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Solution

The fourth proportional to 64,218.51, 96,264.50 and 37,530.63 is: 56,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,218.51 : 96,264.50 = 37,530.63 : x
  2. Step 2: Convert to fraction form
    64,218.51/96,264.50 = 37,530.63/x
  3. Step 3: Cross multiply
    64,218.51x = 96,264.50 × 37,530.63
  4. Step 4: Simplify right side
    64,218.51x = 3,612,867,143.98
  5. Step 5: Solve for x
    x = 3,612,867,143.98/64,218.51
  6. Step 6: Final answer
    x = 56,258.97

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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.