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Finding the Fourth Proportional to 15,649.92, 21,597.08 and 8,576.19

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Solution

The fourth proportional to 15,649.92, 21,597.08 and 8,576.19 is: 11,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.92 : 21,597.08 = 8,576.19 : x
  2. Step 2: Convert to fraction form
    15,649.92/21,597.08 = 8,576.19/x
  3. Step 3: Cross multiply
    15,649.92x = 21,597.08 × 8,576.19
  4. Step 4: Simplify right side
    15,649.92x = 185,220,618.64
  5. Step 5: Solve for x
    x = 185,220,618.64/15,649.92
  6. Step 6: Final answer
    x = 11,835.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.