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Finding the Fourth Proportional to 56,170.79, 84,256.18 and 14,617.79

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Solution

The fourth proportional to 56,170.79, 84,256.18 and 14,617.79 is: 21,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.79 : 84,256.18 = 14,617.79 : x
  2. Step 2: Convert to fraction form
    56,170.79/84,256.18 = 14,617.79/x
  3. Step 3: Cross multiply
    56,170.79x = 84,256.18 × 14,617.79
  4. Step 4: Simplify right side
    56,170.79x = 1,231,639,145.44
  5. Step 5: Solve for x
    x = 1,231,639,145.44/56,170.79
  6. Step 6: Final answer
    x = 21,926.68

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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.