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Finding the Fourth Proportional to 61,977.02, 85,528.85 and 33,682.77

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Solution

The fourth proportional to 61,977.02, 85,528.85 and 33,682.77 is: 46,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.02 : 85,528.85 = 33,682.77 : x
  2. Step 2: Convert to fraction form
    61,977.02/85,528.85 = 33,682.77/x
  3. Step 3: Cross multiply
    61,977.02x = 85,528.85 × 33,682.77
  4. Step 4: Simplify right side
    61,977.02x = 2,880,848,414.50
  5. Step 5: Solve for x
    x = 2,880,848,414.50/61,977.02
  6. Step 6: Final answer
    x = 46,482.53

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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.