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Finding the Fourth Proportional to 35,323.86, 53,239.80 and 30,452.31

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Solution

The fourth proportional to 35,323.86, 53,239.80 and 30,452.31 is: 45,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,323.86 : 53,239.80 = 30,452.31 : x
  2. Step 2: Convert to fraction form
    35,323.86/53,239.80 = 30,452.31/x
  3. Step 3: Cross multiply
    35,323.86x = 53,239.80 × 30,452.31
  4. Step 4: Simplify right side
    35,323.86x = 1,621,274,893.94
  5. Step 5: Solve for x
    x = 1,621,274,893.94/35,323.86
  6. Step 6: Final answer
    x = 45,897.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.