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Finding the Fourth Proportional to 21,841.56, 32,762.31 and 9,353.46

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Solution

The fourth proportional to 21,841.56, 32,762.31 and 9,353.46 is: 14,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.56 : 32,762.31 = 9,353.46 : x
  2. Step 2: Convert to fraction form
    21,841.56/32,762.31 = 9,353.46/x
  3. Step 3: Cross multiply
    21,841.56x = 32,762.31 × 9,353.46
  4. Step 4: Simplify right side
    21,841.56x = 306,440,956.09
  5. Step 5: Solve for x
    x = 306,440,956.09/21,841.56
  6. Step 6: Final answer
    x = 14,030.18

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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.