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Finding the Fourth Proportional to 11,763.54, 17,632.98 and 5,518.32

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Solution

The fourth proportional to 11,763.54, 17,632.98 and 5,518.32 is: 8,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.54 : 17,632.98 = 5,518.32 : x
  2. Step 2: Convert to fraction form
    11,763.54/17,632.98 = 5,518.32/x
  3. Step 3: Cross multiply
    11,763.54x = 17,632.98 × 5,518.32
  4. Step 4: Simplify right side
    11,763.54x = 97,304,426.19
  5. Step 5: Solve for x
    x = 97,304,426.19/11,763.54
  6. Step 6: Final answer
    x = 8,271.70

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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.