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Finding the Fourth Proportional to 21,643.08, 32,477.58 and 7,793.16

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Solution

The fourth proportional to 21,643.08, 32,477.58 and 7,793.16 is: 11,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.08 : 32,477.58 = 7,793.16 : x
  2. Step 2: Convert to fraction form
    21,643.08/32,477.58 = 7,793.16/x
  3. Step 3: Cross multiply
    21,643.08x = 32,477.58 × 7,793.16
  4. Step 4: Simplify right side
    21,643.08x = 253,102,977.35
  5. Step 5: Solve for x
    x = 253,102,977.35/21,643.08
  6. Step 6: Final answer
    x = 11,694.41

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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.