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Finding the Fourth Proportional to 9,414.93, 12,988.49 and 5,828.93

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Solution

The fourth proportional to 9,414.93, 12,988.49 and 5,828.93 is: 8,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.93 : 12,988.49 = 5,828.93 : x
  2. Step 2: Convert to fraction form
    9,414.93/12,988.49 = 5,828.93/x
  3. Step 3: Cross multiply
    9,414.93x = 12,988.49 × 5,828.93
  4. Step 4: Simplify right side
    9,414.93x = 75,709,002.82
  5. Step 5: Solve for x
    x = 75,709,002.82/9,414.93
  6. Step 6: Final answer
    x = 8,041.38

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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.