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Finding the Fourth Proportional to 62,802.05, 86,619.11 and 43,453.18

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Solution

The fourth proportional to 62,802.05, 86,619.11 and 43,453.18 is: 59,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,802.05 : 86,619.11 = 43,453.18 : x
  2. Step 2: Convert to fraction form
    62,802.05/86,619.11 = 43,453.18/x
  3. Step 3: Cross multiply
    62,802.05x = 86,619.11 × 43,453.18
  4. Step 4: Simplify right side
    62,802.05x = 3,763,875,127.91
  5. Step 5: Solve for x
    x = 3,763,875,127.91/62,802.05
  6. Step 6: Final answer
    x = 59,932.36

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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.