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Finding the Fourth Proportional to 60,574.66, 90,866.60 and 18,458.34

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Solution

The fourth proportional to 60,574.66, 90,866.60 and 18,458.34 is: 27,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.66 : 90,866.60 = 18,458.34 : x
  2. Step 2: Convert to fraction form
    60,574.66/90,866.60 = 18,458.34/x
  3. Step 3: Cross multiply
    60,574.66x = 90,866.60 × 18,458.34
  4. Step 4: Simplify right side
    60,574.66x = 1,677,246,597.44
  5. Step 5: Solve for x
    x = 1,677,246,597.44/60,574.66
  6. Step 6: Final answer
    x = 27,688.91

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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.