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Finding the Fourth Proportional to 21,597.70, 32,405.50 and 10,347.34

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Solution

The fourth proportional to 21,597.70, 32,405.50 and 10,347.34 is: 15,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.70 : 32,405.50 = 10,347.34 : x
  2. Step 2: Convert to fraction form
    21,597.70/32,405.50 = 10,347.34/x
  3. Step 3: Cross multiply
    21,597.70x = 32,405.50 × 10,347.34
  4. Step 4: Simplify right side
    21,597.70x = 335,310,726.37
  5. Step 5: Solve for x
    x = 335,310,726.37/21,597.70
  6. Step 6: Final answer
    x = 15,525.30

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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.