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Finding the Fourth Proportional to 64,354.70, 96,532.05 and 34,830.20

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Solution

The fourth proportional to 64,354.70, 96,532.05 and 34,830.20 is: 52,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.70 : 96,532.05 = 34,830.20 : x
  2. Step 2: Convert to fraction form
    64,354.70/96,532.05 = 34,830.20/x
  3. Step 3: Cross multiply
    64,354.70x = 96,532.05 × 34,830.20
  4. Step 4: Simplify right side
    64,354.70x = 3,362,230,607.91
  5. Step 5: Solve for x
    x = 3,362,230,607.91/64,354.70
  6. Step 6: Final answer
    x = 52,245.30

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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.