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Finding the Fourth Proportional to 45,010.28, 61,934.63 and 43,640.67

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Solution

The fourth proportional to 45,010.28, 61,934.63 and 43,640.67 is: 60,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,010.28 : 61,934.63 = 43,640.67 : x
  2. Step 2: Convert to fraction form
    45,010.28/61,934.63 = 43,640.67/x
  3. Step 3: Cross multiply
    45,010.28x = 61,934.63 × 43,640.67
  4. Step 4: Simplify right side
    45,010.28x = 2,702,868,763.45
  5. Step 5: Solve for x
    x = 2,702,868,763.45/45,010.28
  6. Step 6: Final answer
    x = 60,050.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.