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Finding the Fourth Proportional to 57,802.80, 86,646.60 and 26,583.60

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Solution

The fourth proportional to 57,802.80, 86,646.60 and 26,583.60 is: 39,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.80 : 86,646.60 = 26,583.60 : x
  2. Step 2: Convert to fraction form
    57,802.80/86,646.60 = 26,583.60/x
  3. Step 3: Cross multiply
    57,802.80x = 86,646.60 × 26,583.60
  4. Step 4: Simplify right side
    57,802.80x = 2,303,378,555.76
  5. Step 5: Solve for x
    x = 2,303,378,555.76/57,802.80
  6. Step 6: Final answer
    x = 39,848.91

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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.