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Finding the Fourth Proportional to 69,557.71, 95,894.18 and 46,578.55

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Solution

The fourth proportional to 69,557.71, 95,894.18 and 46,578.55 is: 64,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557.71 : 95,894.18 = 46,578.55 : x
  2. Step 2: Convert to fraction form
    69,557.71/95,894.18 = 46,578.55/x
  3. Step 3: Cross multiply
    69,557.71x = 95,894.18 × 46,578.55
  4. Step 4: Simplify right side
    69,557.71x = 4,466,611,378.37
  5. Step 5: Solve for x
    x = 4,466,611,378.37/69,557.71
  6. Step 6: Final answer
    x = 64,214.47

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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.