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Finding the Fourth Proportional to 64,412.55, 96,652.62 and 46,788.83

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Solution

The fourth proportional to 64,412.55, 96,652.62 and 46,788.83 is: 70,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.55 : 96,652.62 = 46,788.83 : x
  2. Step 2: Convert to fraction form
    64,412.55/96,652.62 = 46,788.83/x
  3. Step 3: Cross multiply
    64,412.55x = 96,652.62 × 46,788.83
  4. Step 4: Simplify right side
    64,412.55x = 4,522,263,006.23
  5. Step 5: Solve for x
    x = 4,522,263,006.23/64,412.55
  6. Step 6: Final answer
    x = 70,207.79

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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.