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Finding the Fourth Proportional to 58,846.33, 81,210.90 and 36,186.58

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Solution

The fourth proportional to 58,846.33, 81,210.90 and 36,186.58 is: 49,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.33 : 81,210.90 = 36,186.58 : x
  2. Step 2: Convert to fraction form
    58,846.33/81,210.90 = 36,186.58/x
  3. Step 3: Cross multiply
    58,846.33x = 81,210.90 × 36,186.58
  4. Step 4: Simplify right side
    58,846.33x = 2,938,744,729.72
  5. Step 5: Solve for x
    x = 2,938,744,729.72/58,846.33
  6. Step 6: Final answer
    x = 49,939.30

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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.