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Finding the Fourth Proportional to 17,812.68, 26,719.26 and 16,730.28

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Solution

The fourth proportional to 17,812.68, 26,719.26 and 16,730.28 is: 25,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.68 : 26,719.26 = 16,730.28 : x
  2. Step 2: Convert to fraction form
    17,812.68/26,719.26 = 16,730.28/x
  3. Step 3: Cross multiply
    17,812.68x = 26,719.26 × 16,730.28
  4. Step 4: Simplify right side
    17,812.68x = 447,020,701.19
  5. Step 5: Solve for x
    x = 447,020,701.19/17,812.68
  6. Step 6: Final answer
    x = 25,095.65

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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.