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Finding the Fourth Proportional to 49,048.80, 67,686.72 and 26,692.80

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Solution

The fourth proportional to 49,048.80, 67,686.72 and 26,692.80 is: 36,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,048.80 : 67,686.72 = 26,692.80 : x
  2. Step 2: Convert to fraction form
    49,048.80/67,686.72 = 26,692.80/x
  3. Step 3: Cross multiply
    49,048.80x = 67,686.72 × 26,692.80
  4. Step 4: Simplify right side
    49,048.80x = 1,806,748,079.62
  5. Step 5: Solve for x
    x = 1,806,748,079.62/49,048.80
  6. Step 6: Final answer
    x = 36,835.72

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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.