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Finding the Fourth Proportional to 45,651.60, 68,477.58 and 45,585.90

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Solution

The fourth proportional to 45,651.60, 68,477.58 and 45,585.90 is: 68,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,651.60 : 68,477.58 = 45,585.90 : x
  2. Step 2: Convert to fraction form
    45,651.60/68,477.58 = 45,585.90/x
  3. Step 3: Cross multiply
    45,651.60x = 68,477.58 × 45,585.90
  4. Step 4: Simplify right side
    45,651.60x = 3,121,612,114.12
  5. Step 5: Solve for x
    x = 3,121,612,114.12/45,651.60
  6. Step 6: Final answer
    x = 68,379.03

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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.