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Finding the Fourth Proportional to 65,210.60, 97,815.90 and 33,717.80

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Solution

The fourth proportional to 65,210.60, 97,815.90 and 33,717.80 is: 50,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210.60 : 97,815.90 = 33,717.80 : x
  2. Step 2: Convert to fraction form
    65,210.60/97,815.90 = 33,717.80/x
  3. Step 3: Cross multiply
    65,210.60x = 97,815.90 × 33,717.80
  4. Step 4: Simplify right side
    65,210.60x = 3,298,136,953.02
  5. Step 5: Solve for x
    x = 3,298,136,953.02/65,210.60
  6. Step 6: Final answer
    x = 50,576.70

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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.