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Finding the Fourth Proportional to 66,133.58, 91,265.00 and 35,919.48

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Solution

The fourth proportional to 66,133.58, 91,265.00 and 35,919.48 is: 49,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,133.58 : 91,265.00 = 35,919.48 : x
  2. Step 2: Convert to fraction form
    66,133.58/91,265.00 = 35,919.48/x
  3. Step 3: Cross multiply
    66,133.58x = 91,265.00 × 35,919.48
  4. Step 4: Simplify right side
    66,133.58x = 3,278,191,162.60
  5. Step 5: Solve for x
    x = 3,278,191,162.60/66,133.58
  6. Step 6: Final answer
    x = 49,569.24

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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.