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Finding the Fourth Proportional to 46,491.60, 69,660.60 and 39,579.60

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Solution

The fourth proportional to 46,491.60, 69,660.60 and 39,579.60 is: 59,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491.60 : 69,660.60 = 39,579.60 : x
  2. Step 2: Convert to fraction form
    46,491.60/69,660.60 = 39,579.60/x
  3. Step 3: Cross multiply
    46,491.60x = 69,660.60 × 39,579.60
  4. Step 4: Simplify right side
    46,491.60x = 2,757,138,683.76
  5. Step 5: Solve for x
    x = 2,757,138,683.76/46,491.60
  6. Step 6: Final answer
    x = 59,304.02

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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.