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Finding the Fourth Proportional to 58,495.65, 80,650.73 and 48,818.99

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Solution

The fourth proportional to 58,495.65, 80,650.73 and 48,818.99 is: 67,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,495.65 : 80,650.73 = 48,818.99 : x
  2. Step 2: Convert to fraction form
    58,495.65/80,650.73 = 48,818.99/x
  3. Step 3: Cross multiply
    58,495.65x = 80,650.73 × 48,818.99
  4. Step 4: Simplify right side
    58,495.65x = 3,937,286,534.01
  5. Step 5: Solve for x
    x = 3,937,286,534.01/58,495.65
  6. Step 6: Final answer
    x = 67,309.05

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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.