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Finding the Fourth Proportional to 32,955, 45,478.06 and 18,051

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Solution

The fourth proportional to 32,955, 45,478.06 and 18,051 is: 24,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,955 : 45,478.06 = 18,051 : x
  2. Step 2: Convert to fraction form
    32,955/45,478.06 = 18,051/x
  3. Step 3: Cross multiply
    32,955x = 45,478.06 × 18,051
  4. Step 4: Simplify right side
    32,955x = 820,924,461.06
  5. Step 5: Solve for x
    x = 820,924,461.06/32,955
  6. Step 6: Final answer
    x = 24,910.47

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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.