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Finding the Fourth Proportional to 67,450.64, 93,094.44 and 38,787.08

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Solution

The fourth proportional to 67,450.64, 93,094.44 and 38,787.08 is: 53,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,450.64 : 93,094.44 = 38,787.08 : x
  2. Step 2: Convert to fraction form
    67,450.64/93,094.44 = 38,787.08/x
  3. Step 3: Cross multiply
    67,450.64x = 93,094.44 × 38,787.08
  4. Step 4: Simplify right side
    67,450.64x = 3,610,861,491.84
  5. Step 5: Solve for x
    x = 3,610,861,491.84/67,450.64
  6. Step 6: Final answer
    x = 53,533.39

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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.