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Finding the Fourth Proportional to 8,335.02, 12,502.55 and 3,339.64

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Solution

The fourth proportional to 8,335.02, 12,502.55 and 3,339.64 is: 5,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.02 : 12,502.55 = 3,339.64 : x
  2. Step 2: Convert to fraction form
    8,335.02/12,502.55 = 3,339.64/x
  3. Step 3: Cross multiply
    8,335.02x = 12,502.55 × 3,339.64
  4. Step 4: Simplify right side
    8,335.02x = 41,754,016.08
  5. Step 5: Solve for x
    x = 41,754,016.08/8,335.02
  6. Step 6: Final answer
    x = 5,009.47

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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.