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Finding the Fourth Proportional to 32,103,692.40, 48,155,538.60 and 20,624,566.80

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Solution

The fourth proportional to 32,103,692.40, 48,155,538.60 and 20,624,566.80 is: 30,936,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,103,692.40 : 48,155,538.60 = 20,624,566.80 : x
  2. Step 2: Convert to fraction form
    32,103,692.40/48,155,538.60 = 20,624,566.80/x
  3. Step 3: Cross multiply
    32,103,692.40x = 48,155,538.60 × 20,624,566.80
  4. Step 4: Simplify right side
    32,103,692.40x = 993,187,122,645,678.50
  5. Step 5: Solve for x
    x = 993,187,122,645,678.50/32,103,692.40
  6. Step 6: Final answer
    x = 30,936,850.20

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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.