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Finding the Fourth Proportional to 8,335.13, 11,502.47 and 4,799.48

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Solution

The fourth proportional to 8,335.13, 11,502.47 and 4,799.48 is: 6,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.13 : 11,502.47 = 4,799.48 : x
  2. Step 2: Convert to fraction form
    8,335.13/11,502.47 = 4,799.48/x
  3. Step 3: Cross multiply
    8,335.13x = 11,502.47 × 4,799.48
  4. Step 4: Simplify right side
    8,335.13x = 55,205,829.20
  5. Step 5: Solve for x
    x = 55,205,829.20/8,335.13
  6. Step 6: Final answer
    x = 6,623.28

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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.