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Finding the Fourth Proportional to 45,561.64, 68,342.04 and 14,396.89

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Solution

The fourth proportional to 45,561.64, 68,342.04 and 14,396.89 is: 21,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.64 : 68,342.04 = 14,396.89 : x
  2. Step 2: Convert to fraction form
    45,561.64/68,342.04 = 14,396.89/x
  3. Step 3: Cross multiply
    45,561.64x = 68,342.04 × 14,396.89
  4. Step 4: Simplify right side
    45,561.64x = 983,912,832.26
  5. Step 5: Solve for x
    x = 983,912,832.26/45,561.64
  6. Step 6: Final answer
    x = 21,595.20

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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.