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Finding the Fourth Proportional to 35,393.71, 48,842.54 and 20,295.26

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Solution

The fourth proportional to 35,393.71, 48,842.54 and 20,295.26 is: 28,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.71 : 48,842.54 = 20,295.26 : x
  2. Step 2: Convert to fraction form
    35,393.71/48,842.54 = 20,295.26/x
  3. Step 3: Cross multiply
    35,393.71x = 48,842.54 × 20,295.26
  4. Step 4: Simplify right side
    35,393.71x = 991,272,076.10
  5. Step 5: Solve for x
    x = 991,272,076.10/35,393.71
  6. Step 6: Final answer
    x = 28,007.01

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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.