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Finding the Fourth Proportional to 40,337.70, 60,518.70 and 28,673.70

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Solution

The fourth proportional to 40,337.70, 60,518.70 and 28,673.70 is: 43,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.70 : 60,518.70 = 28,673.70 : x
  2. Step 2: Convert to fraction form
    40,337.70/60,518.70 = 28,673.70/x
  3. Step 3: Cross multiply
    40,337.70x = 60,518.70 × 28,673.70
  4. Step 4: Simplify right side
    40,337.70x = 1,735,295,048.19
  5. Step 5: Solve for x
    x = 1,735,295,048.19/40,337.70
  6. Step 6: Final answer
    x = 43,019.19

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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.