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Finding the Fourth Proportional to 21,573.34, 32,360.40 and 5,990.98

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Solution

The fourth proportional to 21,573.34, 32,360.40 and 5,990.98 is: 8,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.34 : 32,360.40 = 5,990.98 : x
  2. Step 2: Convert to fraction form
    21,573.34/32,360.40 = 5,990.98/x
  3. Step 3: Cross multiply
    21,573.34x = 32,360.40 × 5,990.98
  4. Step 4: Simplify right side
    21,573.34x = 193,870,509.19
  5. Step 5: Solve for x
    x = 193,870,509.19/21,573.34
  6. Step 6: Final answer
    x = 8,986.58

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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.