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Finding the Fourth Proportional to 45,416.18, 68,550.84 and 45,416.18

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Solution

The fourth proportional to 45,416.18, 68,550.84 and 45,416.18 is: 68,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.18 : 68,550.84 = 45,416.18 : x
  2. Step 2: Convert to fraction form
    45,416.18/68,550.84 = 45,416.18/x
  3. Step 3: Cross multiply
    45,416.18x = 68,550.84 × 45,416.18
  4. Step 4: Simplify right side
    45,416.18x = 3,113,317,288.59
  5. Step 5: Solve for x
    x = 3,113,317,288.59/45,416.18
  6. Step 6: Final answer
    x = 68,550.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.