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Finding the Fourth Proportional to 5,827.47, 8,041.62 and 3,309.45

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Solution

The fourth proportional to 5,827.47, 8,041.62 and 3,309.45 is: 4,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.47 : 8,041.62 = 3,309.45 : x
  2. Step 2: Convert to fraction form
    5,827.47/8,041.62 = 3,309.45/x
  3. Step 3: Cross multiply
    5,827.47x = 8,041.62 × 3,309.45
  4. Step 4: Simplify right side
    5,827.47x = 26,613,339.31
  5. Step 5: Solve for x
    x = 26,613,339.31/5,827.47
  6. Step 6: Final answer
    x = 4,566.88

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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.