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Finding the Fourth Proportional to 8,473,692.30, 12,710,538.45 and 8,473,692.30

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Solution

The fourth proportional to 8,473,692.30, 12,710,538.45 and 8,473,692.30 is: 12,710,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,692.30 : 12,710,538.45 = 8,473,692.30 : x
  2. Step 2: Convert to fraction form
    8,473,692.30/12,710,538.45 = 8,473,692.30/x
  3. Step 3: Cross multiply
    8,473,692.30x = 12,710,538.45 × 8,473,692.30
  4. Step 4: Simplify right side
    8,473,692.30x = 107,705,191,792,618.94
  5. Step 5: Solve for x
    x = 107,705,191,792,618.94/8,473,692.30
  6. Step 6: Final answer
    x = 12,710,538.45

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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.