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Finding the Fourth Proportional to 21,369.80, 32,053.98 and 9,674.84

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Solution

The fourth proportional to 21,369.80, 32,053.98 and 9,674.84 is: 14,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.80 : 32,053.98 = 9,674.84 : x
  2. Step 2: Convert to fraction form
    21,369.80/32,053.98 = 9,674.84/x
  3. Step 3: Cross multiply
    21,369.80x = 32,053.98 × 9,674.84
  4. Step 4: Simplify right side
    21,369.80x = 310,117,127.86
  5. Step 5: Solve for x
    x = 310,117,127.86/21,369.80
  6. Step 6: Final answer
    x = 14,511.93

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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.