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Finding the Fourth Proportional to 19,800.84, 27,325.79 and 10,848.89

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Solution

The fourth proportional to 19,800.84, 27,325.79 and 10,848.89 is: 14,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.84 : 27,325.79 = 10,848.89 : x
  2. Step 2: Convert to fraction form
    19,800.84/27,325.79 = 10,848.89/x
  3. Step 3: Cross multiply
    19,800.84x = 27,325.79 × 10,848.89
  4. Step 4: Simplify right side
    19,800.84x = 296,454,299.00
  5. Step 5: Solve for x
    x = 296,454,299.00/19,800.84
  6. Step 6: Final answer
    x = 14,971.80

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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.