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Finding the Fourth Proportional to 29,445, 40,634.10 and 16,877.04

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Solution

The fourth proportional to 29,445, 40,634.10 and 16,877.04 is: 23,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445 : 40,634.10 = 16,877.04 : x
  2. Step 2: Convert to fraction form
    29,445/40,634.10 = 16,877.04/x
  3. Step 3: Cross multiply
    29,445x = 40,634.10 × 16,877.04
  4. Step 4: Simplify right side
    29,445x = 685,783,331.06
  5. Step 5: Solve for x
    x = 685,783,331.06/29,445
  6. Step 6: Final answer
    x = 23,290.32

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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.