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Finding the Fourth Proportional to 14,463.75, 21,692.39 and 7,064.67

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Solution

The fourth proportional to 14,463.75, 21,692.39 and 7,064.67 is: 10,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.75 : 21,692.39 = 7,064.67 : x
  2. Step 2: Convert to fraction form
    14,463.75/21,692.39 = 7,064.67/x
  3. Step 3: Cross multiply
    14,463.75x = 21,692.39 × 7,064.67
  4. Step 4: Simplify right side
    14,463.75x = 153,249,541.54
  5. Step 5: Solve for x
    x = 153,249,541.54/14,463.75
  6. Step 6: Final answer
    x = 10,595.42

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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.