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Finding the Fourth Proportional to 14,851.98, 20,498.94 and 8,884.98

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Solution

The fourth proportional to 14,851.98, 20,498.94 and 8,884.98 is: 12,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.98 : 20,498.94 = 8,884.98 : x
  2. Step 2: Convert to fraction form
    14,851.98/20,498.94 = 8,884.98/x
  3. Step 3: Cross multiply
    14,851.98x = 20,498.94 × 8,884.98
  4. Step 4: Simplify right side
    14,851.98x = 182,132,671.92
  5. Step 5: Solve for x
    x = 182,132,671.92/14,851.98
  6. Step 6: Final answer
    x = 12,263.19

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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.