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Finding the Fourth Proportional to 64,483.20, 96,692.40 and 29,383.20

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Solution

The fourth proportional to 64,483.20, 96,692.40 and 29,383.20 is: 44,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,483.20 : 96,692.40 = 29,383.20 : x
  2. Step 2: Convert to fraction form
    64,483.20/96,692.40 = 29,383.20/x
  3. Step 3: Cross multiply
    64,483.20x = 96,692.40 × 29,383.20
  4. Step 4: Simplify right side
    64,483.20x = 2,841,132,127.68
  5. Step 5: Solve for x
    x = 2,841,132,127.68/64,483.20
  6. Step 6: Final answer
    x = 44,060.04

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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.