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Finding the Fourth Proportional to 38,333.48, 52,900.11 and 21,566.48

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Solution

The fourth proportional to 38,333.48, 52,900.11 and 21,566.48 is: 29,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,333.48 : 52,900.11 = 21,566.48 : x
  2. Step 2: Convert to fraction form
    38,333.48/52,900.11 = 21,566.48/x
  3. Step 3: Cross multiply
    38,333.48x = 52,900.11 × 21,566.48
  4. Step 4: Simplify right side
    38,333.48x = 1,140,869,164.31
  5. Step 5: Solve for x
    x = 1,140,869,164.31/38,333.48
  6. Step 6: Final answer
    x = 29,761.69

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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.