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Finding the Fourth Proportional to 9,355,692.60, 14,033,538.90 and 8,363,669.40

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Solution

The fourth proportional to 9,355,692.60, 14,033,538.90 and 8,363,669.40 is: 12,545,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,692.60 : 14,033,538.90 = 8,363,669.40 : x
  2. Step 2: Convert to fraction form
    9,355,692.60/14,033,538.90 = 8,363,669.40/x
  3. Step 3: Cross multiply
    9,355,692.60x = 14,033,538.90 × 8,363,669.40
  4. Step 4: Simplify right side
    9,355,692.60x = 117,371,879,871,639.67
  5. Step 5: Solve for x
    x = 117,371,879,871,639.67/9,355,692.60
  6. Step 6: Final answer
    x = 12,545,504.10

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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.