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Finding the Fourth Proportional to 64,019.80, 96,029.70 and 22,461.40

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Solution

The fourth proportional to 64,019.80, 96,029.70 and 22,461.40 is: 33,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,019.80 : 96,029.70 = 22,461.40 : x
  2. Step 2: Convert to fraction form
    64,019.80/96,029.70 = 22,461.40/x
  3. Step 3: Cross multiply
    64,019.80x = 96,029.70 × 22,461.40
  4. Step 4: Simplify right side
    64,019.80x = 2,156,961,503.58
  5. Step 5: Solve for x
    x = 2,156,961,503.58/64,019.80
  6. Step 6: Final answer
    x = 33,692.10

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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.