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Finding the Fourth Proportional to 21,797.41, 32,697.29 and 7,005.19

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Solution

The fourth proportional to 21,797.41, 32,697.29 and 7,005.19 is: 10,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.41 : 32,697.29 = 7,005.19 : x
  2. Step 2: Convert to fraction form
    21,797.41/32,697.29 = 7,005.19/x
  3. Step 3: Cross multiply
    21,797.41x = 32,697.29 × 7,005.19
  4. Step 4: Simplify right side
    21,797.41x = 229,050,728.94
  5. Step 5: Solve for x
    x = 229,050,728.94/21,797.41
  6. Step 6: Final answer
    x = 10,508.16

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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.