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Finding the Fourth Proportional to 56,698.92, 78,244.92 and 31,548.42

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Solution

The fourth proportional to 56,698.92, 78,244.92 and 31,548.42 is: 43,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.92 : 78,244.92 = 31,548.42 : x
  2. Step 2: Convert to fraction form
    56,698.92/78,244.92 = 31,548.42/x
  3. Step 3: Cross multiply
    56,698.92x = 78,244.92 × 31,548.42
  4. Step 4: Simplify right side
    56,698.92x = 2,468,503,599.03
  5. Step 5: Solve for x
    x = 2,468,503,599.03/56,698.92
  6. Step 6: Final answer
    x = 43,537.05

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1.5x scale

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.