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Finding the Fourth Proportional to 22,555.64, 33,826.60 and 7,756.04

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Solution

The fourth proportional to 22,555.64, 33,826.60 and 7,756.04 is: 11,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.64 : 33,826.60 = 7,756.04 : x
  2. Step 2: Convert to fraction form
    22,555.64/33,826.60 = 7,756.04/x
  3. Step 3: Cross multiply
    22,555.64x = 33,826.60 × 7,756.04
  4. Step 4: Simplify right side
    22,555.64x = 262,360,462.66
  5. Step 5: Solve for x
    x = 262,360,462.66/22,555.64
  6. Step 6: Final answer
    x = 11,631.70

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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.