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Finding the Fourth Proportional to 66,235.44, 91,358.64 and 44,977.80

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Solution

The fourth proportional to 66,235.44, 91,358.64 and 44,977.80 is: 62,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,235.44 : 91,358.64 = 44,977.80 : x
  2. Step 2: Convert to fraction form
    66,235.44/91,358.64 = 44,977.80/x
  3. Step 3: Cross multiply
    66,235.44x = 91,358.64 × 44,977.80
  4. Step 4: Simplify right side
    66,235.44x = 4,109,110,638.19
  5. Step 5: Solve for x
    x = 4,109,110,638.19/66,235.44
  6. Step 6: Final answer
    x = 62,037.95

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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.