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Finding the Fourth Proportional to 32,886.66, 49,321.79 and 12,900.22

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Solution

The fourth proportional to 32,886.66, 49,321.79 and 12,900.22 is: 19,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,886.66 : 49,321.79 = 12,900.22 : x
  2. Step 2: Convert to fraction form
    32,886.66/49,321.79 = 12,900.22/x
  3. Step 3: Cross multiply
    32,886.66x = 49,321.79 × 12,900.22
  4. Step 4: Simplify right side
    32,886.66x = 636,261,850.74
  5. Step 5: Solve for x
    x = 636,261,850.74/32,886.66
  6. Step 6: Final answer
    x = 19,347.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.