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Finding the Fourth Proportional to 6,224.67, 8,590.65 and 4,650.03

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Solution

The fourth proportional to 6,224.67, 8,590.65 and 4,650.03 is: 6,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,224.67 : 8,590.65 = 4,650.03 : x
  2. Step 2: Convert to fraction form
    6,224.67/8,590.65 = 4,650.03/x
  3. Step 3: Cross multiply
    6,224.67x = 8,590.65 × 4,650.03
  4. Step 4: Simplify right side
    6,224.67x = 39,946,780.22
  5. Step 5: Solve for x
    x = 39,946,780.22/6,224.67
  6. Step 6: Final answer
    x = 6,417.49

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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.