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Finding the Fourth Proportional to 45,820.60, 68,714.70 and 16,239.40

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Solution

The fourth proportional to 45,820.60, 68,714.70 and 16,239.40 is: 24,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.60 : 68,714.70 = 16,239.40 : x
  2. Step 2: Convert to fraction form
    45,820.60/68,714.70 = 16,239.40/x
  3. Step 3: Cross multiply
    45,820.60x = 68,714.70 × 16,239.40
  4. Step 4: Simplify right side
    45,820.60x = 1,115,885,499.18
  5. Step 5: Solve for x
    x = 1,115,885,499.18/45,820.60
  6. Step 6: Final answer
    x = 24,353.36

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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.