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Finding the Fourth Proportional to 59,657, 89,486.04 and 18,104

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Solution

The fourth proportional to 59,657, 89,486.04 and 18,104 is: 27,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,657 : 89,486.04 = 18,104 : x
  2. Step 2: Convert to fraction form
    59,657/89,486.04 = 18,104/x
  3. Step 3: Cross multiply
    59,657x = 89,486.04 × 18,104
  4. Step 4: Simplify right side
    59,657x = 1,620,055,268.16
  5. Step 5: Solve for x
    x = 1,620,055,268.16/59,657
  6. Step 6: Final answer
    x = 27,156.16

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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.