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Finding the Fourth Proportional to 32,972, 45,501.36 and 18,068

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Solution

The fourth proportional to 32,972, 45,501.36 and 18,068 is: 24,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,972 : 45,501.36 = 18,068 : x
  2. Step 2: Convert to fraction form
    32,972/45,501.36 = 18,068/x
  3. Step 3: Cross multiply
    32,972x = 45,501.36 × 18,068
  4. Step 4: Simplify right side
    32,972x = 822,118,572.48
  5. Step 5: Solve for x
    x = 822,118,572.48/32,972
  6. Step 6: Final answer
    x = 24,933.84

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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.