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Finding the Fourth Proportional to 56,769.84, 85,154.78 and 17,327.16

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Solution

The fourth proportional to 56,769.84, 85,154.78 and 17,327.16 is: 25,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769.84 : 85,154.78 = 17,327.16 : x
  2. Step 2: Convert to fraction form
    56,769.84/85,154.78 = 17,327.16/x
  3. Step 3: Cross multiply
    56,769.84x = 85,154.78 × 17,327.16
  4. Step 4: Simplify right side
    56,769.84x = 1,475,490,497.82
  5. Step 5: Solve for x
    x = 1,475,490,497.82/56,769.84
  6. Step 6: Final answer
    x = 25,990.75

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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.