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Finding the Fourth Proportional to 17,884.16, 26,829.06 and 5,402.63

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Solution

The fourth proportional to 17,884.16, 26,829.06 and 5,402.63 is: 8,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.16 : 26,829.06 = 5,402.63 : x
  2. Step 2: Convert to fraction form
    17,884.16/26,829.06 = 5,402.63/x
  3. Step 3: Cross multiply
    17,884.16x = 26,829.06 × 5,402.63
  4. Step 4: Simplify right side
    17,884.16x = 144,947,531.24
  5. Step 5: Solve for x
    x = 144,947,531.24/17,884.16
  6. Step 6: Final answer
    x = 8,104.80

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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.