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Finding the Fourth Proportional to 8,339.02, 11,507.47 and 4,801.48

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Solution

The fourth proportional to 8,339.02, 11,507.47 and 4,801.48 is: 6,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.02 : 11,507.47 = 4,801.48 : x
  2. Step 2: Convert to fraction form
    8,339.02/11,507.47 = 4,801.48/x
  3. Step 3: Cross multiply
    8,339.02x = 11,507.47 × 4,801.48
  4. Step 4: Simplify right side
    8,339.02x = 55,252,887.06
  5. Step 5: Solve for x
    x = 55,252,887.06/8,339.02
  6. Step 6: Final answer
    x = 6,625.82

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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.