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Finding the Fourth Proportional to 40,763.70, 57,200.40 and 40,763.70

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Solution

The fourth proportional to 40,763.70, 57,200.40 and 40,763.70 is: 57,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.70 : 57,200.40 = 40,763.70 : x
  2. Step 2: Convert to fraction form
    40,763.70/57,200.40 = 40,763.70/x
  3. Step 3: Cross multiply
    40,763.70x = 57,200.40 × 40,763.70
  4. Step 4: Simplify right side
    40,763.70x = 2,331,699,945.48
  5. Step 5: Solve for x
    x = 2,331,699,945.48/40,763.70
  6. Step 6: Final answer
    x = 57,200.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.