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Finding the Fourth Proportional to 52,714.60, 79,071.90 and 34,999.90

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Solution

The fourth proportional to 52,714.60, 79,071.90 and 34,999.90 is: 52,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,714.60 : 79,071.90 = 34,999.90 : x
  2. Step 2: Convert to fraction form
    52,714.60/79,071.90 = 34,999.90/x
  3. Step 3: Cross multiply
    52,714.60x = 79,071.90 × 34,999.90
  4. Step 4: Simplify right side
    52,714.60x = 2,767,508,592.81
  5. Step 5: Solve for x
    x = 2,767,508,592.81/52,714.60
  6. Step 6: Final answer
    x = 52,499.85

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Similar ratio
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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.