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Finding the Fourth Proportional to 15,502.80, 23,256.81 and 4,826.64

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Solution

The fourth proportional to 15,502.80, 23,256.81 and 4,826.64 is: 7,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.80 : 23,256.81 = 4,826.64 : x
  2. Step 2: Convert to fraction form
    15,502.80/23,256.81 = 4,826.64/x
  3. Step 3: Cross multiply
    15,502.80x = 23,256.81 × 4,826.64
  4. Step 4: Simplify right side
    15,502.80x = 112,252,249.42
  5. Step 5: Solve for x
    x = 112,252,249.42/15,502.80
  6. Step 6: Final answer
    x = 7,240.77

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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.