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Finding the Fourth Proportional to 32,673.78, 45,070.62 and 20,554.98

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Solution

The fourth proportional to 32,673.78, 45,070.62 and 20,554.98 is: 28,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,673.78 : 45,070.62 = 20,554.98 : x
  2. Step 2: Convert to fraction form
    32,673.78/45,070.62 = 20,554.98/x
  3. Step 3: Cross multiply
    32,673.78x = 45,070.62 × 20,554.98
  4. Step 4: Simplify right side
    32,673.78x = 926,425,692.69
  5. Step 5: Solve for x
    x = 926,425,692.69/32,673.78
  6. Step 6: Final answer
    x = 28,353.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.