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Finding the Fourth Proportional to 15,596.68, 21,521.55 and 8,882.32

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Solution

The fourth proportional to 15,596.68, 21,521.55 and 8,882.32 is: 12,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.68 : 21,521.55 = 8,882.32 : x
  2. Step 2: Convert to fraction form
    15,596.68/21,521.55 = 8,882.32/x
  3. Step 3: Cross multiply
    15,596.68x = 21,521.55 × 8,882.32
  4. Step 4: Simplify right side
    15,596.68x = 191,161,294.00
  5. Step 5: Solve for x
    x = 191,161,294.00/15,596.68
  6. Step 6: Final answer
    x = 12,256.54

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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.