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Finding the Fourth Proportional to 59,866, 89,802.60 and 18,313.36

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Solution

The fourth proportional to 59,866, 89,802.60 and 18,313.36 is: 27,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,866 : 89,802.60 = 18,313.36 : x
  2. Step 2: Convert to fraction form
    59,866/89,802.60 = 18,313.36/x
  3. Step 3: Cross multiply
    59,866x = 89,802.60 × 18,313.36
  4. Step 4: Simplify right side
    59,866x = 1,644,587,342.74
  5. Step 5: Solve for x
    x = 1,644,587,342.74/59,866
  6. Step 6: Final answer
    x = 27,471.14

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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.