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Finding the Fourth Proportional to 66,535.87, 91,663.53 and 46,356.25

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Solution

The fourth proportional to 66,535.87, 91,663.53 and 46,356.25 is: 63,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.87 : 91,663.53 = 46,356.25 : x
  2. Step 2: Convert to fraction form
    66,535.87/91,663.53 = 46,356.25/x
  3. Step 3: Cross multiply
    66,535.87x = 91,663.53 × 46,356.25
  4. Step 4: Simplify right side
    66,535.87x = 4,249,177,512.56
  5. Step 5: Solve for x
    x = 4,249,177,512.56/66,535.87
  6. Step 6: Final answer
    x = 63,862.96

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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.