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Finding the Fourth Proportional to 27,269.20, 40,903.80 and 16,188.40

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Solution

The fourth proportional to 27,269.20, 40,903.80 and 16,188.40 is: 24,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.20 : 40,903.80 = 16,188.40 : x
  2. Step 2: Convert to fraction form
    27,269.20/40,903.80 = 16,188.40/x
  3. Step 3: Cross multiply
    27,269.20x = 40,903.80 × 16,188.40
  4. Step 4: Simplify right side
    27,269.20x = 662,167,075.92
  5. Step 5: Solve for x
    x = 662,167,075.92/27,269.20
  6. Step 6: Final answer
    x = 24,282.60

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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.