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Finding the Fourth Proportional to 46,692.41, 70,049.70 and 13,411.71

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Solution

The fourth proportional to 46,692.41, 70,049.70 and 13,411.71 is: 20,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,692.41 : 70,049.70 = 13,411.71 : x
  2. Step 2: Convert to fraction form
    46,692.41/70,049.70 = 13,411.71/x
  3. Step 3: Cross multiply
    46,692.41x = 70,049.70 × 13,411.71
  4. Step 4: Simplify right side
    46,692.41x = 939,486,261.99
  5. Step 5: Solve for x
    x = 939,486,261.99/46,692.41
  6. Step 6: Final answer
    x = 20,120.75

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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.