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Finding the Fourth Proportional to 17,492.80, 26,242.98 and 8,125.96

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Solution

The fourth proportional to 17,492.80, 26,242.98 and 8,125.96 is: 12,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.80 : 26,242.98 = 8,125.96 : x
  2. Step 2: Convert to fraction form
    17,492.80/26,242.98 = 8,125.96/x
  3. Step 3: Cross multiply
    17,492.80x = 26,242.98 × 8,125.96
  4. Step 4: Simplify right side
    17,492.80x = 213,249,405.76
  5. Step 5: Solve for x
    x = 213,249,405.76/17,492.80
  6. Step 6: Final answer
    x = 12,190.70

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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.