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Finding the Fourth Proportional to 19,373.84, 29,055 and 6,891.68

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Solution

The fourth proportional to 19,373.84, 29,055 and 6,891.68 is: 10,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.84 : 29,055 = 6,891.68 : x
  2. Step 2: Convert to fraction form
    19,373.84/29,055 = 6,891.68/x
  3. Step 3: Cross multiply
    19,373.84x = 29,055 × 6,891.68
  4. Step 4: Simplify right side
    19,373.84x = 200,237,762.40
  5. Step 5: Solve for x
    x = 200,237,762.40/19,373.84
  6. Step 6: Final answer
    x = 10,335.47

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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.