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Finding the Fourth Proportional to 52,669.04, 79,003.64 and 21,093.32

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Solution

The fourth proportional to 52,669.04, 79,003.64 and 21,093.32 is: 31,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.04 : 79,003.64 = 21,093.32 : x
  2. Step 2: Convert to fraction form
    52,669.04/79,003.64 = 21,093.32/x
  3. Step 3: Cross multiply
    52,669.04x = 79,003.64 × 21,093.32
  4. Step 4: Simplify right side
    52,669.04x = 1,666,449,059.68
  5. Step 5: Solve for x
    x = 1,666,449,059.68/52,669.04
  6. Step 6: Final answer
    x = 31,640.01

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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.