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Finding the Fourth Proportional to 48,703.65, 73,054.68 and 15,423.67

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Solution

The fourth proportional to 48,703.65, 73,054.68 and 15,423.67 is: 23,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703.65 : 73,054.68 = 15,423.67 : x
  2. Step 2: Convert to fraction form
    48,703.65/73,054.68 = 15,423.67/x
  3. Step 3: Cross multiply
    48,703.65x = 73,054.68 × 15,423.67
  4. Step 4: Simplify right side
    48,703.65x = 1,126,771,028.96
  5. Step 5: Solve for x
    x = 1,126,771,028.96/48,703.65
  6. Step 6: Final answer
    x = 23,135.25

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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.