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Finding the Fourth Proportional to 17,902.70, 24,706.11 and 9,836.45

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Solution

The fourth proportional to 17,902.70, 24,706.11 and 9,836.45 is: 13,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.70 : 24,706.11 = 9,836.45 : x
  2. Step 2: Convert to fraction form
    17,902.70/24,706.11 = 9,836.45/x
  3. Step 3: Cross multiply
    17,902.70x = 24,706.11 × 9,836.45
  4. Step 4: Simplify right side
    17,902.70x = 243,020,415.71
  5. Step 5: Solve for x
    x = 243,020,415.71/17,902.70
  6. Step 6: Final answer
    x = 13,574.51

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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.