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Finding the Fourth Proportional to 48,994.71, 73,492.92 and 13,935.30

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Solution

The fourth proportional to 48,994.71, 73,492.92 and 13,935.30 is: 20,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,994.71 : 73,492.92 = 13,935.30 : x
  2. Step 2: Convert to fraction form
    48,994.71/73,492.92 = 13,935.30/x
  3. Step 3: Cross multiply
    48,994.71x = 73,492.92 × 13,935.30
  4. Step 4: Simplify right side
    48,994.71x = 1,024,145,888.08
  5. Step 5: Solve for x
    x = 1,024,145,888.08/48,994.71
  6. Step 6: Final answer
    x = 20,903.19

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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.