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Finding the Fourth Proportional to 5,663.04, 7,806.24 and 4,613.28

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Solution

The fourth proportional to 5,663.04, 7,806.24 and 4,613.28 is: 6,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.04 : 7,806.24 = 4,613.28 : x
  2. Step 2: Convert to fraction form
    5,663.04/7,806.24 = 4,613.28/x
  3. Step 3: Cross multiply
    5,663.04x = 7,806.24 × 4,613.28
  4. Step 4: Simplify right side
    5,663.04x = 36,012,370.87
  5. Step 5: Solve for x
    x = 36,012,370.87/5,663.04
  6. Step 6: Final answer
    x = 6,359.19

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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.