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Finding the Fourth Proportional to 35,395.28, 53,092.92 and 13,207.76

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Solution

The fourth proportional to 35,395.28, 53,092.92 and 13,207.76 is: 19,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.28 : 53,092.92 = 13,207.76 : x
  2. Step 2: Convert to fraction form
    35,395.28/53,092.92 = 13,207.76/x
  3. Step 3: Cross multiply
    35,395.28x = 53,092.92 × 13,207.76
  4. Step 4: Simplify right side
    35,395.28x = 701,238,545.06
  5. Step 5: Solve for x
    x = 701,238,545.06/35,395.28
  6. Step 6: Final answer
    x = 19,811.64

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1.5x scale

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.