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Finding the Fourth Proportional to 46,472.40, 69,710.76 and 15,307.92

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Solution

The fourth proportional to 46,472.40, 69,710.76 and 15,307.92 is: 22,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,472.40 : 69,710.76 = 15,307.92 : x
  2. Step 2: Convert to fraction form
    46,472.40/69,710.76 = 15,307.92/x
  3. Step 3: Cross multiply
    46,472.40x = 69,710.76 × 15,307.92
  4. Step 4: Simplify right side
    46,472.40x = 1,067,126,737.22
  5. Step 5: Solve for x
    x = 1,067,126,737.22/46,472.40
  6. Step 6: Final answer
    x = 22,962.59

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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.