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Finding the Fourth Proportional to 15,214.56, 22,820.88 and 5,354.72

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Solution

The fourth proportional to 15,214.56, 22,820.88 and 5,354.72 is: 8,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.56 : 22,820.88 = 5,354.72 : x
  2. Step 2: Convert to fraction form
    15,214.56/22,820.88 = 5,354.72/x
  3. Step 3: Cross multiply
    15,214.56x = 22,820.88 × 5,354.72
  4. Step 4: Simplify right side
    15,214.56x = 122,199,422.55
  5. Step 5: Solve for x
    x = 122,199,422.55/15,214.56
  6. Step 6: Final answer
    x = 8,031.74

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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.