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Finding the Fourth Proportional to 7,826.50, 10,801.53 and 4,514.50

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Solution

The fourth proportional to 7,826.50, 10,801.53 and 4,514.50 is: 6,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.50 : 10,801.53 = 4,514.50 : x
  2. Step 2: Convert to fraction form
    7,826.50/10,801.53 = 4,514.50/x
  3. Step 3: Cross multiply
    7,826.50x = 10,801.53 × 4,514.50
  4. Step 4: Simplify right side
    7,826.50x = 48,763,507.19
  5. Step 5: Solve for x
    x = 48,763,507.19/7,826.50
  6. Step 6: Final answer
    x = 6,230.56

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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.