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Finding the Fourth Proportional to 37,684.80, 56,555.28 and 14,356.80

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Solution

The fourth proportional to 37,684.80, 56,555.28 and 14,356.80 is: 21,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,684.80 : 56,555.28 = 14,356.80 : x
  2. Step 2: Convert to fraction form
    37,684.80/56,555.28 = 14,356.80/x
  3. Step 3: Cross multiply
    37,684.80x = 56,555.28 × 14,356.80
  4. Step 4: Simplify right side
    37,684.80x = 811,952,843.90
  5. Step 5: Solve for x
    x = 811,952,843.90/37,684.80
  6. Step 6: Final answer
    x = 21,545.90

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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.