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Finding the Fourth Proportional to 48,620.68, 72,931.03 and 15,343.34

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Solution

The fourth proportional to 48,620.68, 72,931.03 and 15,343.34 is: 23,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.68 : 72,931.03 = 15,343.34 : x
  2. Step 2: Convert to fraction form
    48,620.68/72,931.03 = 15,343.34/x
  3. Step 3: Cross multiply
    48,620.68x = 72,931.03 × 15,343.34
  4. Step 4: Simplify right side
    48,620.68x = 1,119,005,186.83
  5. Step 5: Solve for x
    x = 1,119,005,186.83/48,620.68
  6. Step 6: Final answer
    x = 23,015.01

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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.