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Finding the Fourth Proportional to 56,490.92, 84,735.32 and 13,797.04

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Solution

The fourth proportional to 56,490.92, 84,735.32 and 13,797.04 is: 20,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.92 : 84,735.32 = 13,797.04 : x
  2. Step 2: Convert to fraction form
    56,490.92/84,735.32 = 13,797.04/x
  3. Step 3: Cross multiply
    56,490.92x = 84,735.32 × 13,797.04
  4. Step 4: Simplify right side
    56,490.92x = 1,169,096,370.37
  5. Step 5: Solve for x
    x = 1,169,096,370.37/56,490.92
  6. Step 6: Final answer
    x = 20,695.30

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1.5x scale

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.