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Finding the Fourth Proportional to 60,809.80, 91,214.70 and 16,443.40

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Solution

The fourth proportional to 60,809.80, 91,214.70 and 16,443.40 is: 24,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.80 : 91,214.70 = 16,443.40 : x
  2. Step 2: Convert to fraction form
    60,809.80/91,214.70 = 16,443.40/x
  3. Step 3: Cross multiply
    60,809.80x = 91,214.70 × 16,443.40
  4. Step 4: Simplify right side
    60,809.80x = 1,499,879,797.98
  5. Step 5: Solve for x
    x = 1,499,879,797.98/60,809.80
  6. Step 6: Final answer
    x = 24,665.10

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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.