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Finding the Fourth Proportional to 29,627, 40,889.10 and 16,884.78

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Solution

The fourth proportional to 29,627, 40,889.10 and 16,884.78 is: 23,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,627 : 40,889.10 = 16,884.78 : x
  2. Step 2: Convert to fraction form
    29,627/40,889.10 = 16,884.78/x
  3. Step 3: Cross multiply
    29,627x = 40,889.10 × 16,884.78
  4. Step 4: Simplify right side
    29,627x = 690,403,457.90
  5. Step 5: Solve for x
    x = 690,403,457.90/29,627
  6. Step 6: Final answer
    x = 23,303.18

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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.