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Finding the Fourth Proportional to 35,365.26, 48,807.39 and 20,254.92

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Solution

The fourth proportional to 35,365.26, 48,807.39 and 20,254.92 is: 27,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,365.26 : 48,807.39 = 20,254.92 : x
  2. Step 2: Convert to fraction form
    35,365.26/48,807.39 = 20,254.92/x
  3. Step 3: Cross multiply
    35,365.26x = 48,807.39 × 20,254.92
  4. Step 4: Simplify right side
    35,365.26x = 988,589,779.86
  5. Step 5: Solve for x
    x = 988,589,779.86/35,365.26
  6. Step 6: Final answer
    x = 27,953.70

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Double scale
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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.