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Finding the Fourth Proportional to 64,402.93, 96,479.30 and 36,237.10

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Solution

The fourth proportional to 64,402.93, 96,479.30 and 36,237.10 is: 54,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.93 : 96,479.30 = 36,237.10 : x
  2. Step 2: Convert to fraction form
    64,402.93/96,479.30 = 36,237.10/x
  3. Step 3: Cross multiply
    64,402.93x = 96,479.30 × 36,237.10
  4. Step 4: Simplify right side
    64,402.93x = 3,496,130,042.03
  5. Step 5: Solve for x
    x = 3,496,130,042.03/64,402.93
  6. Step 6: Final answer
    x = 54,285.26

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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.