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Finding the Fourth Proportional to 56,792.84, 85,205.96 and 16,812.84

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Solution

The fourth proportional to 56,792.84, 85,205.96 and 16,812.84 is: 25,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,792.84 : 85,205.96 = 16,812.84 : x
  2. Step 2: Convert to fraction form
    56,792.84/85,205.96 = 16,812.84/x
  3. Step 3: Cross multiply
    56,792.84x = 85,205.96 × 16,812.84
  4. Step 4: Simplify right side
    56,792.84x = 1,432,554,172.53
  5. Step 5: Solve for x
    x = 1,432,554,172.53/56,792.84
  6. Step 6: Final answer
    x = 25,224.20

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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.