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Finding the Fourth Proportional to 32,616, 45,010.08 and 18,470.16

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Solution

The fourth proportional to 32,616, 45,010.08 and 18,470.16 is: 25,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616 : 45,010.08 = 18,470.16 : x
  2. Step 2: Convert to fraction form
    32,616/45,010.08 = 18,470.16/x
  3. Step 3: Cross multiply
    32,616x = 45,010.08 × 18,470.16
  4. Step 4: Simplify right side
    32,616x = 831,343,379.21
  5. Step 5: Solve for x
    x = 831,343,379.21/32,616
  6. Step 6: Final answer
    x = 25,488.82

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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.