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Finding the Fourth Proportional to 45,699.92, 68,535.21 and 14,527.88

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Solution

The fourth proportional to 45,699.92, 68,535.21 and 14,527.88 is: 21,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.92 : 68,535.21 = 14,527.88 : x
  2. Step 2: Convert to fraction form
    45,699.92/68,535.21 = 14,527.88/x
  3. Step 3: Cross multiply
    45,699.92x = 68,535.21 × 14,527.88
  4. Step 4: Simplify right side
    45,699.92x = 995,671,306.65
  5. Step 5: Solve for x
    x = 995,671,306.65/45,699.92
  6. Step 6: Final answer
    x = 21,787.16

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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.