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Finding the Fourth Proportional to 35,146.48, 52,740.48 and 12,975.28

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Solution

The fourth proportional to 35,146.48, 52,740.48 and 12,975.28 is: 19,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.48 : 52,740.48 = 12,975.28 : x
  2. Step 2: Convert to fraction form
    35,146.48/52,740.48 = 12,975.28/x
  3. Step 3: Cross multiply
    35,146.48x = 52,740.48 × 12,975.28
  4. Step 4: Simplify right side
    35,146.48x = 684,322,495.33
  5. Step 5: Solve for x
    x = 684,322,495.33/35,146.48
  6. Step 6: Final answer
    x = 19,470.58

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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.