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Finding the Fourth Proportional to 48,813.80, 67,363.40 and 26,457.80

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Solution

The fourth proportional to 48,813.80, 67,363.40 and 26,457.80 is: 36,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.80 : 67,363.40 = 26,457.80 : x
  2. Step 2: Convert to fraction form
    48,813.80/67,363.40 = 26,457.80/x
  3. Step 3: Cross multiply
    48,813.80x = 67,363.40 × 26,457.80
  4. Step 4: Simplify right side
    48,813.80x = 1,782,287,364.52
  5. Step 5: Solve for x
    x = 1,782,287,364.52/48,813.80
  6. Step 6: Final answer
    x = 36,511.96

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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.