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Finding the Fourth Proportional to 61,288.76, 84,582.11 and 46,154.72

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Solution

The fourth proportional to 61,288.76, 84,582.11 and 46,154.72 is: 63,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.76 : 84,582.11 = 46,154.72 : x
  2. Step 2: Convert to fraction form
    61,288.76/84,582.11 = 46,154.72/x
  3. Step 3: Cross multiply
    61,288.76x = 84,582.11 × 46,154.72
  4. Step 4: Simplify right side
    61,288.76x = 3,903,863,604.06
  5. Step 5: Solve for x
    x = 3,903,863,604.06/61,288.76
  6. Step 6: Final answer
    x = 63,696.24

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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.