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Finding the Fourth Proportional to 85,364.73, 128,037.51 and 32,737.32

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Solution

The fourth proportional to 85,364.73, 128,037.51 and 32,737.32 is: 49,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,364.73 : 128,037.51 = 32,737.32 : x
  2. Step 2: Convert to fraction form
    85,364.73/128,037.51 = 32,737.32/x
  3. Step 3: Cross multiply
    85,364.73x = 128,037.51 × 32,737.32
  4. Step 4: Simplify right side
    85,364.73x = 4,191,604,936.87
  5. Step 5: Solve for x
    x = 4,191,604,936.87/85,364.73
  6. Step 6: Final answer
    x = 49,102.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.