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Finding the Fourth Proportional to 50,752.70, 76,019.70 and 42,004.70

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Solution

The fourth proportional to 50,752.70, 76,019.70 and 42,004.70 is: 62,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,752.70 : 76,019.70 = 42,004.70 : x
  2. Step 2: Convert to fraction form
    50,752.70/76,019.70 = 42,004.70/x
  3. Step 3: Cross multiply
    50,752.70x = 76,019.70 × 42,004.70
  4. Step 4: Simplify right side
    50,752.70x = 3,193,184,692.59
  5. Step 5: Solve for x
    x = 3,193,184,692.59/50,752.70
  6. Step 6: Final answer
    x = 62,916.55

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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.