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Finding the Fourth Proportional to 45,418.94, 68,555.03 and 45,418.94

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Solution

The fourth proportional to 45,418.94, 68,555.03 and 45,418.94 is: 68,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.94 : 68,555.03 = 45,418.94 : x
  2. Step 2: Convert to fraction form
    45,418.94/68,555.03 = 45,418.94/x
  3. Step 3: Cross multiply
    45,418.94x = 68,555.03 × 45,418.94
  4. Step 4: Simplify right side
    45,418.94x = 3,113,697,250.32
  5. Step 5: Solve for x
    x = 3,113,697,250.32/45,418.94
  6. Step 6: Final answer
    x = 68,555.03

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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.