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Finding the Fourth Proportional to 69,927.58, 96,535.80 and 47,385.67

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Solution

The fourth proportional to 69,927.58, 96,535.80 and 47,385.67 is: 65,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,927.58 : 96,535.80 = 47,385.67 : x
  2. Step 2: Convert to fraction form
    69,927.58/96,535.80 = 47,385.67/x
  3. Step 3: Cross multiply
    69,927.58x = 96,535.80 × 47,385.67
  4. Step 4: Simplify right side
    69,927.58x = 4,574,413,561.99
  5. Step 5: Solve for x
    x = 4,574,413,561.99/69,927.58
  6. Step 6: Final answer
    x = 65,416.44

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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.