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Finding the Fourth Proportional to 69,900.68, 96,484.02 and 47,557.64

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Solution

The fourth proportional to 69,900.68, 96,484.02 and 47,557.64 is: 65,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.68 : 96,484.02 = 47,557.64 : x
  2. Step 2: Convert to fraction form
    69,900.68/96,484.02 = 47,557.64/x
  3. Step 3: Cross multiply
    69,900.68x = 96,484.02 × 47,557.64
  4. Step 4: Simplify right side
    69,900.68x = 4,588,552,288.91
  5. Step 5: Solve for x
    x = 4,588,552,288.91/69,900.68
  6. Step 6: Final answer
    x = 65,643.89

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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.