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Finding the Fourth Proportional to 64,291.58, 96,452.76 and 26,830.81

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Solution

The fourth proportional to 64,291.58, 96,452.76 and 26,830.81 is: 40,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.58 : 96,452.76 = 26,830.81 : x
  2. Step 2: Convert to fraction form
    64,291.58/96,452.76 = 26,830.81/x
  3. Step 3: Cross multiply
    64,291.58x = 96,452.76 × 26,830.81
  4. Step 4: Simplify right side
    64,291.58x = 2,587,905,600.93
  5. Step 5: Solve for x
    x = 2,587,905,600.93/64,291.58
  6. Step 6: Final answer
    x = 40,252.64

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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.