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Finding the Fourth Proportional to 45,506.13, 68,259.19 and 12,674.13

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Solution

The fourth proportional to 45,506.13, 68,259.19 and 12,674.13 is: 19,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.13 : 68,259.19 = 12,674.13 : x
  2. Step 2: Convert to fraction form
    45,506.13/68,259.19 = 12,674.13/x
  3. Step 3: Cross multiply
    45,506.13x = 68,259.19 × 12,674.13
  4. Step 4: Simplify right side
    45,506.13x = 865,125,847.75
  5. Step 5: Solve for x
    x = 865,125,847.75/45,506.13
  6. Step 6: Final answer
    x = 19,011.19

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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.