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Finding the Fourth Proportional to 66,261.36, 91,391.04 and 46,119.36

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Solution

The fourth proportional to 66,261.36, 91,391.04 and 46,119.36 is: 63,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261.36 : 91,391.04 = 46,119.36 : x
  2. Step 2: Convert to fraction form
    66,261.36/91,391.04 = 46,119.36/x
  3. Step 3: Cross multiply
    66,261.36x = 91,391.04 × 46,119.36
  4. Step 4: Simplify right side
    66,261.36x = 4,214,896,274.53
  5. Step 5: Solve for x
    x = 4,214,896,274.53/66,261.36
  6. Step 6: Final answer
    x = 63,610.17

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1.5x scale

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.