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Finding the Fourth Proportional to 67,205.48, 92,727.74 and 56,491.08

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Solution

The fourth proportional to 67,205.48, 92,727.74 and 56,491.08 is: 77,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,205.48 : 92,727.74 = 56,491.08 : x
  2. Step 2: Convert to fraction form
    67,205.48/92,727.74 = 56,491.08/x
  3. Step 3: Cross multiply
    67,205.48x = 92,727.74 × 56,491.08
  4. Step 4: Simplify right side
    67,205.48x = 5,238,290,178.56
  5. Step 5: Solve for x
    x = 5,238,290,178.56/67,205.48
  6. Step 6: Final answer
    x = 77,944.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.