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Finding the Fourth Proportional to 64,956.34, 97,437.25 and 20,582.11

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Solution

The fourth proportional to 64,956.34, 97,437.25 and 20,582.11 is: 30,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,956.34 : 97,437.25 = 20,582.11 : x
  2. Step 2: Convert to fraction form
    64,956.34/97,437.25 = 20,582.11/x
  3. Step 3: Cross multiply
    64,956.34x = 97,437.25 × 20,582.11
  4. Step 4: Simplify right side
    64,956.34x = 2,005,464,345.12
  5. Step 5: Solve for x
    x = 2,005,464,345.12/64,956.34
  6. Step 6: Final answer
    x = 30,874.03

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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.