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Finding the Fourth Proportional to 19,277.68, 26,603.76 and 10,894

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Solution

The fourth proportional to 19,277.68, 26,603.76 and 10,894 is: 15,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.68 : 26,603.76 = 10,894 : x
  2. Step 2: Convert to fraction form
    19,277.68/26,603.76 = 10,894/x
  3. Step 3: Cross multiply
    19,277.68x = 26,603.76 × 10,894
  4. Step 4: Simplify right side
    19,277.68x = 289,821,361.44
  5. Step 5: Solve for x
    x = 289,821,361.44/19,277.68
  6. Step 6: Final answer
    x = 15,034.04

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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.