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Finding the Fourth Proportional to 57,953.92, 79,970.88 and 46,046.08

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Solution

The fourth proportional to 57,953.92, 79,970.88 and 46,046.08 is: 63,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.92 : 79,970.88 = 46,046.08 : x
  2. Step 2: Convert to fraction form
    57,953.92/79,970.88 = 46,046.08/x
  3. Step 3: Cross multiply
    57,953.92x = 79,970.88 × 46,046.08
  4. Step 4: Simplify right side
    57,953.92x = 3,682,345,538.15
  5. Step 5: Solve for x
    x = 3,682,345,538.15/57,953.92
  6. Step 6: Final answer
    x = 63,539.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.