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Finding the Fourth Proportional to 9,686.76, 14,533.74 and 5,524.20

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Solution

The fourth proportional to 9,686.76, 14,533.74 and 5,524.20 is: 8,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.76 : 14,533.74 = 5,524.20 : x
  2. Step 2: Convert to fraction form
    9,686.76/14,533.74 = 5,524.20/x
  3. Step 3: Cross multiply
    9,686.76x = 14,533.74 × 5,524.20
  4. Step 4: Simplify right side
    9,686.76x = 80,287,286.51
  5. Step 5: Solve for x
    x = 80,287,286.51/9,686.76
  6. Step 6: Final answer
    x = 8,288.35

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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.