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Finding the Fourth Proportional to 48,189, 66,499.78 and 26,677.51

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Solution

The fourth proportional to 48,189, 66,499.78 and 26,677.51 is: 36,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189 : 66,499.78 = 26,677.51 : x
  2. Step 2: Convert to fraction form
    48,189/66,499.78 = 26,677.51/x
  3. Step 3: Cross multiply
    48,189x = 66,499.78 × 26,677.51
  4. Step 4: Simplify right side
    48,189x = 1,774,048,545.95
  5. Step 5: Solve for x
    x = 1,774,048,545.95/48,189
  6. Step 6: Final answer
    x = 36,814.39

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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.