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Finding the Fourth Proportional to 62,656.51, 86,470.57 and 35,798.45

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Solution

The fourth proportional to 62,656.51, 86,470.57 and 35,798.45 is: 49,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,656.51 : 86,470.57 = 35,798.45 : x
  2. Step 2: Convert to fraction form
    62,656.51/86,470.57 = 35,798.45/x
  3. Step 3: Cross multiply
    62,656.51x = 86,470.57 × 35,798.45
  4. Step 4: Simplify right side
    62,656.51x = 3,095,511,944.26
  5. Step 5: Solve for x
    x = 3,095,511,944.26/62,656.51
  6. Step 6: Final answer
    x = 49,404.47

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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.