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Finding the Fourth Proportional to 46,513.70, 69,770.55 and 44,909.90

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Solution

The fourth proportional to 46,513.70, 69,770.55 and 44,909.90 is: 67,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,513.70 : 69,770.55 = 44,909.90 : x
  2. Step 2: Convert to fraction form
    46,513.70/69,770.55 = 44,909.90/x
  3. Step 3: Cross multiply
    46,513.70x = 69,770.55 × 44,909.90
  4. Step 4: Simplify right side
    46,513.70x = 3,133,388,423.45
  5. Step 5: Solve for x
    x = 3,133,388,423.45/46,513.70
  6. Step 6: Final answer
    x = 67,364.85

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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.