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Finding the Fourth Proportional to 45,196.88, 67,806.84 and 14,032.40

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Solution

The fourth proportional to 45,196.88, 67,806.84 and 14,032.40 is: 21,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.88 : 67,806.84 = 14,032.40 : x
  2. Step 2: Convert to fraction form
    45,196.88/67,806.84 = 14,032.40/x
  3. Step 3: Cross multiply
    45,196.88x = 67,806.84 × 14,032.40
  4. Step 4: Simplify right side
    45,196.88x = 951,492,701.62
  5. Step 5: Solve for x
    x = 951,492,701.62/45,196.88
  6. Step 6: Final answer
    x = 21,052.18

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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.