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Finding the Fourth Proportional to 52,897.56, 79,344.18 and 21,732

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Solution

The fourth proportional to 52,897.56, 79,344.18 and 21,732 is: 32,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897.56 : 79,344.18 = 21,732 : x
  2. Step 2: Convert to fraction form
    52,897.56/79,344.18 = 21,732/x
  3. Step 3: Cross multiply
    52,897.56x = 79,344.18 × 21,732
  4. Step 4: Simplify right side
    52,897.56x = 1,724,307,719.76
  5. Step 5: Solve for x
    x = 1,724,307,719.76/52,897.56
  6. Step 6: Final answer
    x = 32,597.11

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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.