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Finding the Fourth Proportional to 30,242.53, 41,734.17 and 16,812.06

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Solution

The fourth proportional to 30,242.53, 41,734.17 and 16,812.06 is: 23,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.53 : 41,734.17 = 16,812.06 : x
  2. Step 2: Convert to fraction form
    30,242.53/41,734.17 = 16,812.06/x
  3. Step 3: Cross multiply
    30,242.53x = 41,734.17 × 16,812.06
  4. Step 4: Simplify right side
    30,242.53x = 701,637,213.59
  5. Step 5: Solve for x
    x = 701,637,213.59/30,242.53
  6. Step 6: Final answer
    x = 23,200.35

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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.