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Finding the Fourth Proportional to 64,366.65, 96,461.10 and 46,454.51

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Solution

The fourth proportional to 64,366.65, 96,461.10 and 46,454.51 is: 69,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,366.65 : 96,461.10 = 46,454.51 : x
  2. Step 2: Convert to fraction form
    64,366.65/96,461.10 = 46,454.51/x
  3. Step 3: Cross multiply
    64,366.65x = 96,461.10 × 46,454.51
  4. Step 4: Simplify right side
    64,366.65x = 4,481,053,375.71
  5. Step 5: Solve for x
    x = 4,481,053,375.71/64,366.65
  6. Step 6: Final answer
    x = 69,617.63

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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.