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Finding the Fourth Proportional to 21,625.53, 32,435.50 and 6,835.94

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Solution

The fourth proportional to 21,625.53, 32,435.50 and 6,835.94 is: 10,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.53 : 32,435.50 = 6,835.94 : x
  2. Step 2: Convert to fraction form
    21,625.53/32,435.50 = 6,835.94/x
  3. Step 3: Cross multiply
    21,625.53x = 32,435.50 × 6,835.94
  4. Step 4: Simplify right side
    21,625.53x = 221,726,935.51
  5. Step 5: Solve for x
    x = 221,726,935.51/21,625.53
  6. Step 6: Final answer
    x = 10,253.02

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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.