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Finding the Fourth Proportional to 21,541.83, 32,311.83 and 6,750.42

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Solution

The fourth proportional to 21,541.83, 32,311.83 and 6,750.42 is: 10,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.83 : 32,311.83 = 6,750.42 : x
  2. Step 2: Convert to fraction form
    21,541.83/32,311.83 = 6,750.42/x
  3. Step 3: Cross multiply
    21,541.83x = 32,311.83 × 6,750.42
  4. Step 4: Simplify right side
    21,541.83x = 218,118,423.47
  5. Step 5: Solve for x
    x = 218,118,423.47/21,541.83
  6. Step 6: Final answer
    x = 10,125.34

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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.