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Finding the Fourth Proportional to 21,753.44, 32,624.88 and 10,055.48

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Solution

The fourth proportional to 21,753.44, 32,624.88 and 10,055.48 is: 15,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.44 : 32,624.88 = 10,055.48 : x
  2. Step 2: Convert to fraction form
    21,753.44/32,624.88 = 10,055.48/x
  3. Step 3: Cross multiply
    21,753.44x = 32,624.88 × 10,055.48
  4. Step 4: Simplify right side
    21,753.44x = 328,058,828.34
  5. Step 5: Solve for x
    x = 328,058,828.34/21,753.44
  6. Step 6: Final answer
    x = 15,080.78

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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.