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Finding the Fourth Proportional to 64,876.08, 89,529.12 and 35,068.08

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Solution

The fourth proportional to 64,876.08, 89,529.12 and 35,068.08 is: 48,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.08 : 89,529.12 = 35,068.08 : x
  2. Step 2: Convert to fraction form
    64,876.08/89,529.12 = 35,068.08/x
  3. Step 3: Cross multiply
    64,876.08x = 89,529.12 × 35,068.08
  4. Step 4: Simplify right side
    64,876.08x = 3,139,614,342.49
  5. Step 5: Solve for x
    x = 3,139,614,342.49/64,876.08
  6. Step 6: Final answer
    x = 48,394.02

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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.