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Finding the Fourth Proportional to 35,857.47, 53,786.21 and 9,562.31

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Solution

The fourth proportional to 35,857.47, 53,786.21 and 9,562.31 is: 14,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.47 : 53,786.21 = 9,562.31 : x
  2. Step 2: Convert to fraction form
    35,857.47/53,786.21 = 9,562.31/x
  3. Step 3: Cross multiply
    35,857.47x = 53,786.21 × 9,562.31
  4. Step 4: Simplify right side
    35,857.47x = 514,320,413.75
  5. Step 5: Solve for x
    x = 514,320,413.75/35,857.47
  6. Step 6: Final answer
    x = 14,343.47

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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.