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Finding the Fourth Proportional to 66,536.87, 91,664.91 and 46,357.25

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Solution

The fourth proportional to 66,536.87, 91,664.91 and 46,357.25 is: 63,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.87 : 91,664.91 = 46,357.25 : x
  2. Step 2: Convert to fraction form
    66,536.87/91,664.91 = 46,357.25/x
  3. Step 3: Cross multiply
    66,536.87x = 91,664.91 × 46,357.25
  4. Step 4: Simplify right side
    66,536.87x = 4,249,333,149.10
  5. Step 5: Solve for x
    x = 4,249,333,149.10/66,536.87
  6. Step 6: Final answer
    x = 63,864.34

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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.