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Finding the Fourth Proportional to 45,563.64, 68,345.04 and 14,398.90

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Solution

The fourth proportional to 45,563.64, 68,345.04 and 14,398.90 is: 21,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,563.64 : 68,345.04 = 14,398.90 : x
  2. Step 2: Convert to fraction form
    45,563.64/68,345.04 = 14,398.90/x
  3. Step 3: Cross multiply
    45,563.64x = 68,345.04 × 14,398.90
  4. Step 4: Simplify right side
    45,563.64x = 984,093,396.46
  5. Step 5: Solve for x
    x = 984,093,396.46/45,563.64
  6. Step 6: Final answer
    x = 21,598.22

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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.